Ogden Commercial Office HVAC Maintenance Contract Case

Ogden Commercial Office HVAC Maintenance Contract: 14,200 Sq Ft Professional Building Quarterly Program

Customer:
Commercial property management company (consent for documentation given; manages multiple Wasatch Front commercial properties; office building tenant: regional accounting firm with 38 employees)
Property:
Two-story professional office building, 14,200 sq ft total (7,100 sq ft per floor), near 21st Street and Washington Boulevard in Ogden. Built 2008. Steel frame construction with EIFS exterior. Reflective single-ply TPO roof installed during 2017 reroof. Roof surface elevation approximately 4,335 ft (Ogden central elevation 4,300-4,330 ft per IFGC 304.1 altitude derate considerations). Property includes 28 surface parking spaces. Single tenant occupies entire building: regional accounting firm with 38 employees, operating Monday-Friday 7:30 AM – 6:30 PM with occasional weekend overtime during tax season (January-April).
HVAC equipment:
Three rooftop units serving zoned floors:

  • RTU-1: Carrier WeatherMaster 50TC*A07 (6-ton, 14 SEER, 2-stage cooling) serving first floor east zone, including reception area + 6 private offices + restrooms
  • RTU-2: Carrier WeatherMaster 50TC*A07 (6-ton, 14 SEER) serving first floor west zone, including conference rooms + 8 private offices + break room + utility area
  • RTU-3: Carrier WeatherMaster 50TC*A10 (8-ton, 14 SEER) serving entire second floor open office area + 12 perimeter offices + restrooms
  • All units include integrated gas heating (120,000 BTU/hr for RTU-1 and RTU-2; 200,000 BTU/hr for RTU-3)
  • R-410A refrigerant
  • Belt-driven blowers (RTU-1 and RTU-2) and direct-drive ECM blower (RTU-3)
  • Equipment installed 2008 during building construction; original equipment
  • Manufacturer warranty: expired 2018; equipment now under our service contract
Contract type:
Three-year quarterly preventive maintenance contract initiated November 2023. Contract structure: $4,800 annual contract = $1,200 quarterly visit covering: comprehensive RTU inspection (each unit), filter replacements, belt inspections and replacements as needed, refrigerant charge verification, electrical contact inspection, drain pan cleaning, condenser coil cleaning, evaporator coil cleaning, combustion analysis on gas heating modules (fall and winter visits only), supply and return register inspection, control system verification, written condition report.
Contract documentation date:
Initial contract executed October 27, 2023. First quarterly visit November 14, 2023. Contract terms include three-year initial commitment with annual review and renewal pricing.

Background

The property management company contacted us in September 2023 following a series of expensive reactive repairs on the building’s HVAC equipment. Previous contractor had performed ad-hoc service calls without preventive program; equipment had experienced: belt failure during August 2022 heat wave costing $4,200 emergency repair, refrigerant leak in RTU-2 spring 2023 costing $1,800 emergency repair, control board failure on RTU-1 May 2023 costing $1,200 emergency repair. Total reactive repair costs 2022-2023 exceeded $7,200; property management determined preventive contract approach would provide better operational and cost outcomes. Three-contractor RFP process; we were selected based on: comprehensive quarterly visit scope, written condition reporting providing equipment lifecycle planning data, fixed annual cost providing budget predictability, priority emergency dispatch for contract customers, demonstrated experience with comparable commercial properties (Vanessa O. WVC triplex contract referenced as similar pattern).

Contract Scope (Quarterly Visit Details)

Quarterly visit schedule:
  • Q1 (February-March): Heating season verification + spring preparation
  • Q2 (May-June): Cooling season preparation (pre-summer)
  • Q3 (August-September): Cooling season mid-point verification + early fall preparation
  • Q4 (November-December): Heating season verification + winter preparation

Visit scheduling: tenant accommodation (visits scheduled before/after tenant business hours when possible to minimize disruption); typically 2-3 hour visit windows depending on findings.

Standard quarterly visit scope (per RTU):
  • Filter inspection and replacement (4-inch MERV 11 standard; MERV 13 for premium upgrade)
  • Belt inspection (RTU-1 and RTU-2 belt-driven blowers); replacement as needed
  • Sheave and pulley inspection
  • Motor amperage measurements (blower, compressor, condenser fans)
  • Refrigerant charge verification (subcooling and superheat measurements per circuit)
  • System pressure measurements (high side, low side)
  • Electrical contact inspection (contactors, relays, motor starters)
  • Capacitor capacitance verification
  • Drain pan inspection and cleaning
  • Condenser coil inspection and cleaning (more thorough cleaning during Q2 and Q3 visits)
  • Evaporator coil inspection (annual cleaning during Q2 visit)
  • Gas heating module combustion analysis (Q1 and Q4 visits during heating season)
  • Gas valve operation verification
  • Flame supervision verification
  • Ignition module check
  • Vent integrity inspection
  • Control system verification (zone control, scheduling, set points)
  • Supply and return register/grille inspection
  • Roof penetration sealing inspection (for water intrusion prevention)
  • Equipment isolation pad and mounting verification
Written condition report provided after each visit:
  • Visit summary with date, technician, weather conditions
  • Per-RTU findings with measurements (refrigerant pressures, motor amperages, filter conditions, etc.)
  • Repairs completed during visit (parts and labor)
  • Recommended near-term maintenance or repair items (if any)
  • Equipment lifecycle assessment updates
  • Compressor hour meter readings (when equipped)
  • Recommendation for next visit timing

Reports serve dual purpose: documentation for property management, planning resource for capital budgeting (anticipating equipment replacement timing).

Equipment Condition Discoveries During Contract (Year 1)

November 14, 2023 (initial Q4 visit, Eli Tran lead):
  • RTU-1: belt frayed and showing wear (16 years service); replacement recommended; replaced during visit with manufacturer-spec belt
  • RTU-2: refrigerant slightly low (subcooling 4°F vs. 7-9°F target); leak check identified slow leak at shrader valve; valve replaced and system recharged
  • RTU-3: control board capacitor showing 22 MFD vs. 28 MFD nominal (21% degraded); replacement recommended; replaced during visit
  • All three RTUs: filters at end-of-life condition; replaced with new 4-inch MERV 11 filters
  • All three RTUs: condenser coil condition acceptable but with accumulated debris; cleaned during visit
  • Findings indicated equipment had been under-maintained; preventive program would prevent further deterioration
February 28, 2024 (Q1 visit, Marcus Halverson lead):
  • All three RTUs: heating module combustion analysis verified (88-90% efficiency typical for 2008-era 80% AFUE commercial equipment)
  • RTU-1 and RTU-2: gas valve operation normal
  • RTU-3: ECM blower motor amperage slightly elevated (5.8 amps vs. 5.4 nominal); bearing wear noted; replacement recommended within 6-12 months
  • All filters replaced (3-month interval)
  • Drain pan cleaning performed; minor algae growth indicated for next visit attention
May 18, 2024 (Q2 visit, Marcus Halverson lead):
  • All three RTUs: refrigerant charge verification within manufacturer specifications
  • Annual evaporator coil cleaning performed (May visit standard)
  • RTU-3: ECM blower motor replacement scheduled; performed during this visit ($385 motor + 2-hour labor)
  • RTU-1 and RTU-2: belt inspection normal; sheaves and pulleys aligned
  • All capacitors verified within manufacturer specifications
  • Drain pan cleaning performed; algae treatment applied
August 22, 2024 (Q3 visit, Eli Tran lead):
  • All three RTUs: peak cooling season verification
  • RTU-3: new motor operating normally at 5.4 amps
  • RTU-1: condenser fan motor showing minor bearing wear; noted for monitoring
  • Filters replaced (3-month interval); summer cooling season operation
  • Condenser coils thoroughly cleaned (summer accumulation of cottonwood seeds, dust); used pressure washer with manufacturer-approved coil cleaner
  • Drain pans cleaned; algae growth controlled with non-toxic treatment
  • Roof penetration sealing inspected; minor sealant degradation noted at RTU-2 roof penetration; resealed during visit
November 19, 2024 (Q4 visit, Marcus Halverson lead):
  • All three RTUs: heating season preparation
  • Combustion analysis verified within manufacturer specifications
  • RTU-1: condenser fan motor bearing wear continuing; replacement recommended winter 2024-2025; performed during this visit ($245 motor + 1.5-hour labor)
  • RTU-2 and RTU-3: heating mode operation verified
  • Filters replaced (3-month interval)
  • Vent integrity inspection passed all units
  • Equipment isolation pads checked; one mounting bolt replaced on RTU-2 (showing rust)
Year 1 summary findings:
  • Equipment had been under-maintained prior to contract initiation; initial Q4 visit identified $1,400 in repairs that would have caused emergency conditions within 6-12 months
  • Two motors replaced proactively during year (RTU-3 ECM blower + RTU-1 condenser fan) before emergency failure
  • One capacitor replaced proactively (RTU-3 control board)
  • Refrigerant leak repaired (RTU-2 shrader valve)
  • Zero emergency service calls during year 1 (vs. 3 emergencies in 2022-2023 under reactive maintenance pattern)
  • Equipment lifecycle assessment: RTU-1 and RTU-2 approaching mid-life replacement window (2027-2030); RTU-3 approaching end-of-life (2025-2027) given 2008 vintage 8-ton typical service life

Year 2 Performance Through Q1 2025

February 25, 2025 (Q1 visit, Dakota Whitfield lead):
  • Heating mode operation verified across all three RTUs
  • Combustion analysis within manufacturer specifications
  • RTU-3: heat exchanger borescope inspection revealed surface oxidation but no cracks; expected progression for 2008 equipment
  • Filters replaced (3-month interval)
  • All three RTUs operating normally; no immediate repairs required
Year-over-year comparison (Year 1 vs. Year 2 in progress):
  • Year 1 emergency dispatches: 0
  • Year 2 through Q1: 0
  • Year 1 proactive repairs (vs. emergency): 4 items ($1,400 deferred from emergency to scheduled)
  • Year 2 proactive repairs anticipated: 1-2 items
  • Equipment lifecycle planning: RTU-3 replacement scheduled for summer 2026 during off-peak season

Cost Analysis and Value Demonstration

Contract pricing structure:
  • Annual contract: $4,800 = $1,600 per RTU = $338 per ton (annual basis)
  • Quarterly visit fee: $1,200 ($400 per RTU per visit)
  • 3-year initial commitment (Year 1 priced at firm $4,800; Years 2-3 subject to 4% maximum annual escalation)
  • Year 2 actual escalation: 3.5% to $4,968 (CPI-aligned)
  • Year 3 projected: 3-4% escalation to $5,142-5,167
What’s included in contract pricing:
  • 4 quarterly preventive maintenance visits with full RTU scope
  • Filter replacements (16 filter changes per year across 3 RTUs)
  • Combustion analysis (2 visits per year)
  • Refrigerant charge verification (4 visits per year)
  • Coil cleaning (annual evaporator + 2 condenser cleanings per year)
  • Drain pan cleaning and treatment
  • Written condition reports after each visit
  • Equipment lifecycle planning consultation
  • Priority emergency dispatch (typical response 30-45 minutes faster than non-contract customers)
  • 15% discount on parts and labor for non-contract repairs (replacements, major work)
What’s NOT included (subject to additional charges):
  • Parts and labor for repairs identified during preventive visits beyond filter replacement
  • Emergency repair labor (15% contract member discount applies)
  • Major component replacements (motors, capacitors, control boards) — contract member 15% discount applies
  • Equipment replacement when end-of-life reached
  • Refrigerant top-offs beyond minimal trace amounts during charge verification
Year 1 cost breakdown:
  • Annual contract: $4,800
  • Additional repairs (motors, capacitor, valve, etc., with 15% contract discount): $1,485
  • Total Year 1 maintenance and repair: $6,285
Comparison with prior reactive maintenance approach (2022-2023):
  • 2022 reactive repairs (no contract): $4,200 (belt failure emergency)
  • 2023 reactive repairs (no contract): $3,000 (refrigerant leak + control board emergencies)
  • Plus indeterminate cost from deferred preventive maintenance (filters not changed regularly, coils not cleaned)
  • Total 2022-2023 reactive cost: $7,200+ (excluding indirect costs from equipment running inefficiently)
Year 1 value vs. reactive maintenance:
  • Contract maintenance cost: $6,285 (Year 1)
  • Avoided emergency dispatches: estimated $4,200-6,200 in emergency repair costs deferred to scheduled repair
  • Net Year 1 savings vs. continued reactive pattern: approximately $0 to $1,400 (variable depending on what would have failed otherwise)
  • Plus: operational predictability, no tenant disruption from emergency repairs, equipment efficiency maintained, lifecycle planning for capital budget

Note: contract value isn’t immediate cost savings; value is operational reliability and lifecycle planning rather than direct cost reduction in Year 1.

Multi-year value projection (3-year contract period):
  • Year 1: $6,285 (contract + repairs)
  • Year 2: $5,800 estimated (contract escalation + reduced repairs as preventive program matures)
  • Year 3: $5,400 estimated (contract escalation + further repair reduction)
  • 3-year total: $17,485 estimated
  • Pre-contract 2-year reactive baseline: $7,200+ (excluding indirect costs)
  • 3-year ROI: approximately 25% improvement in maintenance cost efficiency plus operational reliability benefits not directly measurable

Why This Case Study Illustrates Important Patterns

Commercial preventive vs. reactive economics:
Commercial HVAC maintenance economics favor preventive over reactive over 3-5 year horizon. Year 1 preventive cost typically slightly higher than reactive (catching deferred maintenance); Years 2+ become significantly more cost-effective. Benefits beyond direct cost: operational reliability (no emergency tenant disruptions), equipment lifecycle extension, capital budget planning capability, energy efficiency maintenance (dirty/leaking equipment runs less efficiently). Property managers managing multiple commercial properties typically standardize on preventive contracts; building owners with single property sometimes start with reactive and shift to preventive after experiencing emergency costs.
Equipment lifecycle planning for capital budgeting:
Commercial property owners benefit from equipment lifecycle planning provided by maintenance contractors. Annual condition reports document: equipment age, observed degradation, anticipated replacement timing, replacement cost estimates. Capital budgeting benefits: replacement scheduled during off-peak periods (summer for heating equipment, winter for cooling equipment), spread across multiple budget years rather than concentrated emergency replacements, integrated with other capital improvements (roof replacement, system upgrades, etc.). RTU-3 in this property scheduled for summer 2026 replacement based on equipment lifecycle analysis; property management can budget $14,000-18,000 capital expenditure with 18-month advance planning vs. emergency replacement during heating season.
Quarterly vs. annual maintenance frequency:
Commercial HVAC maintenance frequency varies by property characteristics:

  • Annual: Light usage commercial, low-criticality applications, simple equipment configurations. Lowest cost option.
  • Semi-annual: Standard commercial maintenance; covers cooling and heating seasonal transitions. Most common pattern.
  • Quarterly: Higher-criticality commercial (medical offices, data centers, retail with food service), multiple-RTU properties, properties with sensitive tenants. Highest cost but best operational reliability.

This 14,200 sq ft three-RTU property selected quarterly frequency based on: 38-employee occupancy creating significant tenant disruption from failures, accounting firm requiring stable conditions during tax season peak, three-RTU system with multiple potential failure points. Quarterly frequency justifies cost through reliability benefits.

Commercial vs. residential maintenance differences:
Commercial HVAC maintenance differs from residential in: scope (commercial equipment more complex with more failure points), reporting (written condition reports for property management documentation), scheduling (tenant accommodation considerations), pricing (commercial typically priced per RTU rather than residential flat-rate plans), liability considerations (commercial property liability and tenant displacement risks), code compliance (commercial fire safety, refrigerant reporting requirements). Residential maintenance contracts (Comfort Care plans) typically range $185-385 annually; commercial maintenance contracts typically $1,500-8,000 annually depending on equipment count and complexity.
Filter selection economics (MERV 11 vs. MERV 13):
Commercial RTU filter selection involves: filtration efficiency (MERV 11 vs. MERV 13), pressure drop (MERV 13 imposes higher static pressure penalty), filter cost (MERV 13 typically 25-40% premium), filter change frequency (MERV 13 may require more frequent changes due to higher loading rate). For accounting firm tenant: standard MERV 11 adequate (no specific air quality requirements for typical office use). Premium MERV 13 worthwhile for tenants with: medical practice (allergens), food service (smoke), pediatric care (immune-compromised exposure), tenant specifically requesting indoor air quality enhancement. This building’s tenant selected standard MERV 11; if accounting firm shifts to medical-affiliated tenant in future, MERV 13 upgrade would be implemented.
Compressor hour metering for lifecycle planning:
Commercial RTU compressors typically have rated service lives expressed in operating hours: typical 50,000-80,000 operating hours for residential-grade equipment, 80,000-120,000 hours for commercial-grade equipment. Annual operating hours typical for commercial buildings: 2,500-4,500 hours depending on climate and operating schedule. This building’s RTUs estimated annual operating hours: 3,200 hours cooling season + 2,400 hours heating mode operation = 5,600 hours total. 16 years of operation = approximately 89,600 hours = approaching service life limit for residential-grade equipment, mid-life for commercial-grade. Compressor hour metering (when equipped on equipment) provides direct lifecycle planning data; otherwise estimated based on operating patterns.

Code and Standards Compliance Documentation

Applicable codes and standards:
  • 2024 IMC with Utah amendments: Mechanical equipment service requirements
  • NFPA 54: National Fuel Gas Code (gas heating module connections)
  • ASHRAE 90.1: Energy efficiency standards (commercial)
  • ASHRAE 62.1: Indoor air quality ventilation standards (commercial)
  • ASHRAE 52.2: Filter efficiency measurement methodology (MERV ratings)
  • NEC Article 440: AC equipment electrical requirements
  • EPA Section 608: Refrigerant handling certification (lead technician #608U-2009-447129)
  • EPA Section 608 Refrigerant Recordkeeping: Commercial refrigerant tracking for systems with 50+ lbs refrigerant (this property below threshold)
  • OSHA workplace safety standards: Rooftop work safety requirements
  • Utah DOPL HVAC contractor licensing: #11567823-5501 active and current
Permits:
Not required for preventive maintenance activities. Repairs involving major component replacement may require permits per Ogden Building Department.
Documentation maintained:
  • Quarterly visit reports (3 RTUs each)
  • Filter replacement records
  • Refrigerant charge documentation
  • Component replacement records
  • Combustion analysis records
  • Equipment condition photos
  • Lifecycle planning summaries
  • Capital budget recommendations
  • Service contract execution documents

Frequently Asked Questions

What’s the difference between preventive maintenance contracts and reactive maintenance for commercial HVAC?
Reactive maintenance: service calls only when problems occur. Lower year-to-year cost during good years, but emergency repair costs significantly higher when failures occur (often $1,500-5,000 per emergency vs. $300-800 for scheduled repair of same issue caught early). No equipment lifecycle planning. No tenant disruption preparation. Preventive maintenance: scheduled visits identifying issues before failures, smaller repairs deferred from emergencies, equipment lifecycle planning for capital budgeting, priority emergency dispatch when emergencies do occur. Higher year-to-year cost during good years but significant reliability and planning benefits. Most commercial property owners with multi-RTU properties standardize on preventive contracts.
How much does a commercial HVAC maintenance contract typically cost?
Pricing varies significantly by property characteristics:

  • Small commercial (1-2 RTUs, 2,000-6,000 sq ft): $1,500-3,500 annual contract
  • Mid-size commercial (3-5 RTUs, 6,000-15,000 sq ft): $3,500-7,500 annual contract
  • Larger commercial (6+ RTUs, 15,000-50,000 sq ft): $7,500-25,000+ annual contract
  • Industrial or specialized commercial: $10,000-50,000+ annual contract depending on equipment complexity

Visit frequency (annual vs. semi-annual vs. quarterly) significantly affects pricing. Scope (basic filter changes vs. comprehensive measurements) significantly affects pricing. This Ogden office building’s $4,800 annual contract for 3 RTUs reflects mid-size commercial quarterly maintenance pricing.

What’s included in a typical commercial maintenance contract?
Standard inclusions across most contracts: scheduled preventive visits with comprehensive RTU inspection, filter replacements, refrigerant charge verification, electrical contact inspection, coil cleaning (annual condenser + evaporator), drain pan cleaning, combustion analysis on gas heating, written condition reports. Some contracts include: priority emergency dispatch, percentage discount on additional repairs, equipment lifecycle planning consultation. Some contracts do NOT include: major repair labor, parts costs, refrigerant top-offs beyond minimal verification, equipment replacements. Compare contracts carefully; lowest-priced contracts often exclude scope that emerges as costs during the year.
How often should commercial HVAC be inspected?
Depends on property and equipment characteristics:

  • Annual: Light usage commercial, simple equipment, low-criticality applications
  • Semi-annual: Standard commercial maintenance covering cooling and heating transitions
  • Quarterly: Higher-criticality applications, multi-RTU properties, sensitive tenants (medical, retail with food service, data centers)

Equipment manufacturer recommendations: most commercial RTUs specify quarterly filter changes and annual major component inspection. Property characteristics often dictate higher frequency: dust accumulation, tenant air quality requirements, equipment criticality, operational disruption risk from failures.

Should commercial properties consider preventive contracts even when equipment is new?
Yes. Manufacturer warranties typically require documented annual maintenance for warranty coverage validity. Preventive maintenance during warranty period: maintains warranty coverage, captures any installation issues before they manifest, establishes baseline for equipment lifecycle planning. Even new equipment needs filter changes (most commercial properties require quarterly minimum), refrigerant charge verification, drain pan cleaning, etc. Preventive contracts during warranty period typically smaller scope and lower cost than post-warranty contracts; property management should establish maintenance relationships before warranty expiration to ensure continuity.

Project Details Summary

Customer:
Commercial property management company (consent given; tenant accounting firm 38 employees)
Property:
Ogden two-story professional office building, 14,200 sq ft, built 2008, near 21st Street and Washington Boulevard
Equipment:
Three Carrier WeatherMaster 50TC rooftop units (2 × 6-ton + 1 × 8-ton, all 14 SEER R-410A with integrated gas heating, original 2008 equipment)
Contract type:
3-year quarterly preventive maintenance contract initiated November 2023
Contract pricing:
$4,800 annual (Year 1); escalation 3-4% annually with maximum 4% cap
Visit scope (each quarterly visit):
Comprehensive RTU inspection + filter replacements + refrigerant verification + electrical contact + drain pan + condenser coil + evaporator coil (annually) + combustion analysis (heating season) + written condition report
Year 1 outcomes:
Zero emergency service calls (vs. 3 emergencies in 2022-2023 reactive baseline). Proactive replacement of 2 motors + 1 capacitor + 1 shrader valve before emergency failure. Equipment lifecycle planning for RTU-3 replacement (summer 2026 scheduled).
Multi-year value:
3-year total maintenance cost $17,485 estimated; operational reliability and lifecycle planning benefits beyond direct cost. RTU-3 capital budget planning for $14,000-18,000 replacement during off-peak summer 2026.
Year 1 lead technicians:
Eli Tran and Marcus Halverson alternating quarterly visits; Dakota Whitfield covering Q1 2025
Customer feedback:
Property management company added our services for second property (8,400 sq ft commercial near 30th Street and Madison Avenue) in March 2025 based on Year 1 performance; demonstrates contract value through portfolio expansion

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