Complete Services List, Hartzell’s Heat & Air
I’ve been in the HVAC trade for 45 years, started at 18, 12 years at a local shop, then founded Hartzell’s in Kingfisher. Over that time we’ve expanded well beyond just air conditioning and furnaces. Below is the complete list of what we actually do, organized so you can find what you need fast.
Residential, commercial, geothermal, plumbing, all served from one truck, one team, one phone number: 405-375-4822.
★ 4.8 stars / 276 reviews
|45 yrs HVAC experience
|NATE Certified
|Oklahoma Master HVAC License
|IGSHPA Accredited
|Mitsubishi Diamond Dealer
|Trane TCS SELECT
|ClimateMaster GeoElite
|45 yrs HVAC experience
|NATE Certified
|Oklahoma Master HVAC License
|IGSHPA Accredited
|Mitsubishi Diamond Dealer
|Trane TCS SELECT
|ClimateMaster GeoElite
Jump to a service:
HVAC Repair
Installation
Maintenance Plans
IAQ & Comfort
Water Heaters
Commercial
Refrigeration
Plumbing
Installation
Maintenance Plans
IAQ & Comfort
Water Heaters
Commercial
Refrigeration
Plumbing
HVAC Repair & Service
Something stopped working. We diagnose it right the first time. $99 dispatch + $111 diagnostic (credited toward repair or replacement within 14 days).
AC Repair
Air Conditioning Repair
- Run capacitor replacement
- Contactor replacement
- Refrigerant charging (R-410A, R-32, R-454B)
- Condenser & evaporator coil cleaning
- Compressor diagnosis & replacement
- Blower motor service (standard & ECM)
- Hard start kit installation
- Condensate drain flush & treatment
- Low refrigerant leak detection
Heating Repair
Furnace & Heating Repair
- Ignitor replacement
- Flame sensor cleaning & replacement
- Heat exchanger inspection & replacement
- Draft inducer motor replacement
- Gas valve replacement
- Furnace control board replacement
- Flue pipe inspection, repair & replacement
- Gas line connections & propane conversions
- Carbon monoxide safety testing
- Electric heat strip service
Heat Pump Repair
Heat Pump Repair
- Reversing valve replacement (all tonnages)
- Reversing valve coil replacement
- Refrigerant service (R-410A & A2L)
- Defrost control board replacement
- Defrost sensor & switch replacement
- Inverter drive diagnostics & calibration
- Blower & coil service
Geothermal Repair
Geothermal System Repair
- ClimateMaster factory warranty work
- Ground loop pump & hardware replacement
- Electrical & control board replacement
- Hot water integration (desuperheater) repair
- Refrigerant charge & leak service
- Loop pressure test & treatment
- Routine geothermal inspection
Mini-Split Repair
Ductless Mini-Split Repair
- Mitsubishi Hyper Heat diagnostics
- Samsung mini-split service
- ACiQ & Daikin troubleshooting
- Inverter drive evaluation & calibration
- Refrigerant service
- Blower & coil cleaning
- Wall head & cassette service
General HVAC
General HVAC Repair
- Multi-system & dual-fuel diagnostics
- Communicating thermostat systems
- Zoning damper complaints
- High electric bill / efficiency audits
- Component-level diagnostics
- Warranty repair (all major brands)
Condensate System
Condensate Drain Service
- Drain line flush from $225
- Algae/biofilm treatment
- Condensate pump replacement $445-$525
- Float switch & wet switch install
- Drain pan cleaning & leveling
- Full drain system rebuild $895
- Water damage prevention kit $644
Coil Service
Coil Cleaning & Replacement
- Condenser rinse from $221 (cottonwood season)
- Condenser chemical wash $325
- Evaporator L1 $245 / L2 attic $425 / L3 bench $895
- Full system clean package $1,095
- Coil replacement by tonnage $1,495-$2,395
- Refrigerant leak detection $225-$445
- Braze repair $395-$1,595
Compressor
AC Compressor Replacement
- Scroll compressor replacement from $1,895 (1.5-2 ton)
- Acid test $195, windings check $196
- Hard start kit $295
- Burnout recovery + flush bundle $1,595
- Overheat recovery bundle $895
- Crane lift for commercial rooftop $2,395
Contactor
Contactor Replacement
- Single-pole from $189 installed
- Double-pole 2P 30A (most common) $256
- 3-pole commercial from $329
- SureSwitch solid-state upgrade $581
- Contactor + dual run capacitor combo $371
- Compressor startup protection bundle $504
Condenser Motor
Condenser Fan Motor
- PSC universal 1/3 HP (most common) $595
- PSC OEM factory match from $795
- ECM Azure high-efficiency upgrade $1,170
- Fan blade replacement $345-$425
- Fan blade + motor combo from $795
Flue & Venting
Flue Pipe & Venting
- PVC flue blockage clearing from $295
- B-vent pipe replacement from $795
- Roof jack + cap + collar $595
- Furnace + water heater flue combo $995
- Flue reconnect + CO safety inspection $295
Heat Exchanger
Heat Exchanger & Inducer Service
- CO/crack detection diagnostic $345
- Combustion analysis $195
- HX replacement 80% AFUE non-warranty $2,295
- HX replacement 90%+ AFUE $2,695
- Inducer motor 80% single-stage $1,084
- Inducer motor 90% single-stage $1,417
Heat Pump
Reversing Valve & TXV Service
- Sticking valve diagnostic $454
- Release sticking valve $349
- Reversing valve + coil replacement from $2,047
- TXV cleaning and adjustment $445
- TXV/EXV replacement brazed $795
- EEV electronic expansion valve $1,095
Humidity
Whole-Home Humidity Control
- Bypass humidifier pad/media replacement $195
- AprilAire bypass 400/500 series installed $995
- Fan-powered AprilAire 600/700 series $1,295
- Steam humidifier AprilAire 800 series $2,195
- Whole-home dehumidifier 70 pint $2,295
- Whole-home dehumidifier 90 pint+ $2,895
Filtration
Air Filtration Upgrades
- MERV 8 filter swap from $42
- AprilAire/Honeywell media filter replacement $120
- Trane Perfect Fit 5 in MERV 11 $99
- 2 in media filter cabinet install $699
- Trane CleanEffects whole-home system $2,420
- Electronic air cleaner cleaning $213
Electric Heat
Electric Heat Strip Service
- No-heat inspection / diagnosis: $195
- Heat strip 5 kW replacement: $595
- Heat strip 10 kW replacement: $745
- Heat strip 15 kW replacement: $895
- Heat strip 20 kW replacement: $1,095
- Heat sequencer replacement (single): $395
- Heat sequencer replacement (dual): $545
- Heat strip + sequencer bundle 5, 10 kW: $895
- Emergency heat kit install: $495
- Warranty heat strip replacement: $345
Controls & Boards
Control Boards & Relay Service
- General purpose relay SPDT install: $342
- General purpose relay DPDT install: $385
- Warranty control board replacement: $344
- Warranty relay replacement: $276
- Air handler fan controller OEM: $761
- Variable speed board replacement: $1,812
- Burnt terminal + relay repair (minor): $567
- Burnt terminal + relay repair (major): $751
- Variable speed board + surge suppressor: $1,988
- Circuit board + surge suppressor bundle: $1,533
ClimateMaster Warranty
ClimateMaster Geothermal Warranty Service
- Compressor warranty replacement: $475 labor
- Water coil replacement: $570 labor
- Air coil replacement: $475 labor
- Reversing valve body replacement: $380 labor
- Expansion valve replacement: $285 labor
- Blower motor replacement: $143 labor
- Main control board replacement: $95 labor
- Pressure switch replacement: $190 labor
- Refrigerant leak / brazing: $238 labor
- Diagnostic allowance: $48
24/7 Emergency HVAC Service
Furnace out in January? AC dead in August? We answer the phone.
Installation & System Replacement
Every replacement starts with a Manual J load calculation. We don’t guess on size. Free estimates on all new system installs.
System Replacement
HVAC System Replacement
- Trane XV & XR series (variable-speed, communicating)
- Trane XB series (standard efficiency)
- RunTru by Trane (value replacement)
- Carrier Comfort & Performance series
- Amana (lifetime compressor warranty)
- Manual J load calculation included
- Financing: Synchrony, Wells Fargo, Wisetack
- Free estimates
Heat Pump Install
Heat Pump Installation
- Air-source heat pump (heating & cooling)
- Dual-fuel heat pump systems
- Variable-speed & communicating systems
- New construction & retrofit
- Manual J & duct assessment
- OG&E rebate guidance (up to $1,500/unit)
- Free estimates
Ductless Mini-Split
Ductless Mini-Split Installation
- Mitsubishi Diamond Dealer (Hyper Heat MXZ)
- Samsung multi-zone systems
- ACiQ budget mini-splits ($1,999-$3,500 installed)
- Single-zone wall heads & cassettes
- Multi-zone up to 8 indoor heads
- Garage, shop, sunroom, guest quarters
- Free estimates
Geothermal Install
Geothermal Heat Pump Installation
- ClimateMaster GeoElite Dealer
- IGSHPA Accredited installer
- Vertical boring (Oklahoma red clay)
- Horizontal loop & pond loop
- Hot water integration (desuperheater)
- CKenergy: $2,000/ton rebate (Canadian & Blaine Co.)
- OEC, PSO, KPWA rebates available
- Free estimates
Tune-Up & Maintenance Plans
One-Time
HVAC Tune-Up
$229
- AC or furnace tune-up
- Weekdays, M, F 7am, 3pm
- Full system inspection
- Refrigerant level check
Best Value
Dave’s 360 Plan
$360/yr
- 2 tune-ups/yr (AC + heat)
- Priority scheduling
- 20% parts & labor discount
- $99 diagnostic waived
- Annual filter included
Commercial
Commercial PMA
$540/yr
- 24/7 priority response
- Scheduled PM visits
- Additional systems +$360/yr
Geothermal
Geo Maintenance Plans
$360-$499/yr
- Geo Basic / Plus / 360 tiers
- Loop repressurization included in 360
- ClimateMaster warranty support
Performance, Comfort & Indoor Air Quality
Upgrades that make your system perform better and your air healthier. All installed by NATE-certified technicians.
Indoor Air Quality
Indoor Air Quality
- REME HALO® in-duct air purifier
- Air Scrubber by Aerus (ActivePure® technology)
- Trane CleanEffects™ whole-home air cleaner
- MERV 8 / 10 / 11 filter replacement & upgrades
- AprilAire whole-house media filtration
- UV bulb replacement (ozone & non-ozone systems)
- Smoke & CO detector installation (residential & commercial)
Humidity Control
Whole-Home Humidity Control
- Whole-home humidifier installation
- Bypass & powered humidifier service
- Humidifier maintenance & pad replacement
- Dehumidifier installation
- Humidity sensor calibration
Ductwork
Ductwork & Sheet Metal
- Duct leak detection & sealing
- Flex duct & sheet metal repair
- Air balancing (supply & return)
- Fresh air intake installation
- New supply & return duct runs
- New ductwork installation (full systems)
- Bathroom exhaust vent to soffit
- Register & grille replacement
Thermostats
Thermostat & Controls
- Honeywell T4 Pro & T6 Pro (smart, programmable)
- Trane XL724 (Wi-Fi, Z-Wave)
- Trane XL824 (Wi-Fi, Z-Wave, IAQ control)
- ClimateMaster ATC32U03 iGate, AWC99U01 Wi-Fi, CM500, CM100
- Remote temperature sensor installation
- Locking thermostat cover (commercial)
- Thermostat wiring & programming
- Warranty thermostat replacement
Electrical & Safety
Electrical & Safety Services
- Circuit protection & breaker work
- HVAC disconnect installation
- Power supply upgrades (240V circuits)
- Surge protection (ECM motor protectors)
- Control transformer replacement
- HVAC short circuit diagnosis
- Safety & code compliance inspections
System Add-Ons
System Performance Upgrades
- Hard start kit (compressor protection)
- Time delay relay (prevents short cycling)
- Zebra X13 ECM motor protector
- Metal access panel installation
- Refrigerant port locking caps
- Schrader valve replacement
Water Heater Services
Water Heater Replacement
Tank Water Heater Replacement
- Bradford White, Authorized Dealer (contractor-only, not sold in hardware stores)
- GE RealMAX Premium, Rheem, A.O. Smith, American Standard
- 40-80 gallon residential & commercial
- Gas, electric, and power vent models
- Same-day service on common sizes
- Haul-away of old unit
Tankless Water Heater
Tankless Water Heater
- Navien condensing gas tankless
- Rinnai direct-vent gas tankless
- Whole-home & point-of-use units
- Gas line sizing & connection
- Venting installation
- Descaling & maintenance service
Water Heater Repair
Water Heater Repair
- Thermocouple & pilot assembly
- Heating element replacement (electric)
- Thermostat & gas valve replacement
- Anode rod replacement
- Sediment flush & service
- Geothermal desuperheater service
- Bradford White warranty work
Commercial HVAC Services
From light commercial diagnostics to industrial-scale systems, we’ve done data centers, oil field buildings, rooftop units, boilers, and more.
Commercial Diagnostics
Commercial HVAC Diagnostics
- Level A (up to 15 tons): $389
- Level B (15-25 tons): $785
- Level C (25+ tons, multi-zone): $945
- Rooftop unit (RTU) diagnostics
- Economizer & zoning systems
- Dual-fuel & VRF systems
Commercial Service
Commercial HVAC Service & Repair
- Rooftop unit repair & replacement
- Commercial maintenance plans ($540/yr)
- Multi-zone & building automation
- Light commercial heat pump service
- New construction & retrofit installs
- Manual J / D load & duct design
Industrial & Specialty
Industrial & Specialty HVAC
- Industrial HVAC (manufacturing, warehouses)
- Oil field & rig site climate control
- Cannabis & controlled-environment HVAC
- Telecom facility cooling (Sprint/AT&T)
- Boiler repair & installation
- Cooling tower service
- Generator services
- Mobile & manufactured home HVAC
New Construction
New Construction HVAC
- Residential new construction (all sizes)
- Manual J load calculation (ACCA)
- Manual S equipment selection
- Manual D duct design
- Rough-in through final inspection
- Geothermal new-build integration
Commercial Refrigeration
Walk-in coolers, restaurant equipment, ice machines, bar systems, if it keeps food cold or ice frozen, we service it.
Walk-In
Walk-In Cooler & Freezer Service
- Refrigeration system diagnosis & repair
- Evaporator & condenser coil service
- Door gasket & hardware replacement
- Temperature sensor & control repair
- Compressor & refrigerant service
- Walk-in cooler installation
Restaurant Equipment
Restaurant & Commercial Equipment
- Reach-in cooler & prep table repair
- Restaurant gas & electric equipment
- Deli case & display case service
- Defrost system repair
- Draft beer & keg system cooling
- Bar cooler service
Ice Machines
Ice Machine Service
- Scotsman, Manitowoc, Hoshizaki
- Ice machine cleaning & descaling
- Refrigerant service
- Water filtration & distribution
- Bar & venue ice machine service
- Preventive maintenance contracts
Specialty Refrigeration
Specialty Refrigeration
- Wine cooler & wine walk-in service
- Cigar room humidor climate control
- Venue & event refrigeration
- Cannabis cultivation cooling
- Controlled-environment HVAC
Plumbing Services
We handle light to moderate residential and commercial plumbing, the same work that comes up when you’re already replacing an HVAC system or water heater.
Drain Services
Drain Cleaning & Clearing
- Residential drain cleaning
- Main line clearing
- Sewer pump replacement
- Condensate drain work (HVAC)
Fixtures
Fixture Repair & Replacement
- Faucet repair & replacement
- Toilet repair & replacement
- Tub & shower work
- Sink & drain connections
- Dishwasher & garbage disposal hookup
Water & Gas
Water Supply, Gas & Pumps
- Water supply valve repair & replacement
- Water pressure testing & correction
- Gas line connections & code compliance
- Sump pump installation & replacement
- Appliance hookups (washer, dryer, refrigerator)
- Laundry connection work
Standard Service Fees
Dispatch Fee
$99
All service calls, residential & commercial
Diagnostic Fee
$111
Credited toward repair or replacement within 14 days
Tune-Up
$229
AC or furnace, flat rate, weekdays
Free Estimates
$0
New system installs & replacements
Related Pages
Commercial & industrial:
Industrial HVAC ·
Cooling Towers ·
Generators ·
Walk-In Coolers & Freezers ·
Surge Protection
Industrial HVAC ·
Cooling Towers ·
Generators ·
Walk-In Coolers & Freezers ·
Surge Protection
Resources & thermostat help:
Resource Center ·
Trane XL724 ·
Trane XL824 ·
ClimateMaster ·
ClimateMaster 360Link
Resource Center ·
Trane XL724 ·
Trane XL824 ·
ClimateMaster ·
ClimateMaster 360Link
Ready to Schedule?
Call 405-375-4822 or book online, same-day service available for breakdowns across central Oklahoma.
Frequently Asked Questions
What HVAC services does Hartzell’s perform?
AC repair, furnace and heat pump repair, geothermal service, ductless mini-split install and repair, system replacement, tune-ups, indoor air quality, ductwork, thermostats, electrical safety, water heater replacement and repair, commercial HVAC, commercial refrigeration, and plumbing. If it heats, cools, moves air, or supplies hot water, we handle it.
What does the $111 diagnostic cover?
A thorough, systematic diagnosis of your HVAC problem. When you approve the repair, the $111 is credited toward your repair or replacement if you accept an estimate within 14 days toward the work done that day. The $99 dispatch fee is separate and covers the truck visit itself.
Do you offer free estimates on system replacements?
Yes. Free estimates on all new system installs and replacements. Every replacement includes a Manual J load calculation, we don’t guess on system size. Call 405-375-4822 or book online.
Do you service commercial refrigeration?
Yes. Walk-in coolers and freezers, reach-in coolers, ice machines (Scotsman, Manitowoc, Hoshizaki), restaurant equipment, bar and keg systems, wine coolers, and controlled-environment refrigeration. Commercial diagnostic tiers start at $389.
Do you do plumbing?
Light to moderate residential and commercial plumbing, drain cleaning, faucet and toilet repair, water supply valves, gas line connections, sump pumps, and appliance hookups. Particularly common when we’re already on-site for HVAC or water heater work.
What areas do you serve?
Kingfisher County is home base (since the business opened). We also serve Canadian, Garfield (Enid), Logan (Guthrie), Major (Fairview), Blaine, and Oklahoma Counties including the NW OKC metro. Call 405-375-4822 to confirm coverage for your location.
Nearby Communities We Serve