Hartzell’s Heat & Air has completed 202 HVAC jobs in Hennessey (73742) over the last 24 months. 149 new installs, 19 geothermal projects, 46 jobs with verified Google reviews. I’m Dave Hartzell. 45 years on tools, Master HVAC license, NATE certified. Call 405-375-4822.
New HVAC Install — Hennessey
“Scheduled a service call to come take a look at the system”
HVAC dispatch service call Hennessey OK winter, certified technician sent to diagnose home heating or cooling issue
AC Service — Hennessey
“Furnace wasn’t keeping the house warm like it should”
Winter furnace repair in Hennessey, Blaine County. Diagnosed and restored heating system performance
New HVAC Install — Hennessey
“AC acting up and needed someone out fast on a weekday morning”
Weekday morning AC diagnostic dispatch service in Hennessey winter season, $99 fee with $111 repair credit applied toward approved HVAC repairs
New HVAC Install — Hennessey
“AC acting up and need someone out during the week”
Weekday morning AC diagnostic and repair service in Hennessey OK, $99 dispatch fee with $111 repair credit, winter scheduling available
AC Service — Hennessey
“Signed up for preventative maintenance to keep heating running smoothly”
Preventative HVAC maintenance agreement, Hennessey Oklahoma winter heating system inspection and tune-up
New HVAC Install — Hennessey
“Whole-home air filter needed a fresh swap to keep the system breathing right”
Aprilaire 210/310/410 MERV 11/13 media filter replacement, cabinet cleaned, bypass inspected, Hennessey OK fall maintenance visit
New HVAC Install — Hennessey
“AC acting up and need someone out fast during the week”
Weekday morning AC diagnostic dispatch service Hennessey OK fall, $99 fee with $111 repair credit applied toward approved AC repairs.
New HVAC Install — Hennessey
“Wanted the furnace checked out before winter hit”
Fall gas furnace tune-up Hennessey OK, heat exchanger inspection, combustion test, Trane MERV 11 filter replacement, thermostat calibration.
New HVAC Install — Hennessey
“Business AC acting up and nobody could figure out why”
Level A commercial HVAC diagnostic on light commercial system up to 15 tons, Hennessey OK, fall, rooftop or split equipment inspection
New HVAC Install — Hennessey
“AC acting up during the day — got it diagnosed and back running fast”
Weekday AC diagnostic and repair service in Hennessey OK fall season, fast dispatch, $111 repair credit applied toward approved fix
New HVAC Install — Hennessey
“Need AC fixed during weekday mornings before work”
AC repair service Hennessey fall weekday mornings 7am-3pm same-day diagnostics available
New HVAC Install — Hennessey
“Called us out but decided not to move forward with any repairs”
HVAC diagnostic inspection completed in Hennessey fall season, no repairs approved, system evaluation and professional recommendations provided.
New HVAC Install — Hennessey
“AC acting up during the week — fast morning diagnosis got it sorted”
Weekday morning AC diagnostic and repair service in Hennessey OK fall season, Hartzell’s Heat & Air same-day dispatch available
AC Service — Hennessey
“AC wasn’t cooling like it should in the summer heat”
Hennessey summer AC repair, Blaine County residential cooling system diagnostics and restoration
New HVAC Install — Hennessey
“Needed both coils cleaned before listing house for sale tomorrow”
Evaporator and condenser coil water cleaning, Hennessey OK, summer pre-sale HVAC inspection, system restored to proper operation
AC Service — Hennessey
“Water showing up in the drain pan but everything checked out fine”
Condensate drain inspection and p-trap vent correction, Hennessey OK summer, system subcool and split within spec, no refrigerant or mechanical issues found
New HVAC Install — Hennessey
“AC running but could use a little boost to cool its best this summer”
Summer AC tune-up Hennessey OK, drain flush, filter swap, refrigerant and capacitor check, customer declined pound of refrigerant and condenser cleaning
New HVAC Install — Hennessey
“Running but not cooling, fan capacitor also going weak”
Added 1 lb R-422B refrigerant to low 4-ton system, identified weak blower capacitor, Hennessey summer service call
New HVAC Install — Hennessey
“Ready for a brand new system that heats and cools all in one”
Trane XV18 variable speed heat pump with TEM8 air handler installed in Hennessey OK spring full replacement
New HVAC Install — Hennessey
“AC tuned up and running strong, drain flushed and condenser washed”
Spring HVAC maintenance visit Hennessey OK: cooling ops checked, refrigerant charge verified, condenser washed, drain flushed, filter replaced, PMA renewed
New HVAC Install — Hennessey
“Water dripped from ceiling fan, furnace not sealed right”
Hennessey spring furnace inspection: unsealed unit, drain pan repositioning needed under evaporator coil
New HVAC Install — Hennessey
“Old AC unit wasn’t cooling right anymore, needed a new evaporator coil”
Installed Trane XR14 single-stage air conditioner with 4TXV evaporator coil in Hennessey, spring replacement for improved cooling efficiency
New HVAC Install — Hennessey
“AC wasn’t heating right, turned out the compressor was bad”
Compressor replacement on 1-5 ton unit Hennessey spring, added 29 lbs R410A refrigerant, pressures normalized, warranty coverage
New HVAC Install — Hennessey
“Thermostat was confusing, heat pump working fine”
Hennessey winter heat pump inspection and Nest to Honeywell T4 thermostat replacement for improved system control
New HVAC Install — Hennessey
“Furnace tune-up and safety check to keep heat running strong”
Winter furnace maintenance Hennessey: inspected flame sensor, gas valve, pressure switch, inducer, blower, supply/return temps, CO detection
New HVAC Install — Hennessey
“Got a tech out to check what’s wrong with the heating”
HVAC dispatch and diagnostic service call in Hennessey OK during winter season, professional technician inspection included
New HVAC Install — Hennessey
“Got our furnace checked out when it wasn’t heating right”
Emergency furnace diagnostic and inspection service in Hennessey Oklahoma winter season, professional HVAC technician evaluation
New HVAC Install — Hennessey
“Needed a service call to check out the heating system”
HVAC dispatch and diagnostic service call in Hennessey OK winter season with refrigerant evaluation
New HVAC Install — Hennessey
“Furnace quit heating, turned out filter was clogged and limit switch needed reset”
Winter furnace diagnostic Hennessey: reset limit switch, cleaned clogged filter, verified airflow and temperature differential
New HVAC Install — Hennessey
“Got the furnace checked before the holidays to make sure it keeps running”
Central HVAC tune-up Hennessey winter: thermostat adjustment, capacitor check, evaporator coil inspection, electric heat strip tested
New HVAC Install — Hennessey
“Got ductless system checked and tuned up before the holidays”
Ductless HVAC tune-up Hennessey winter: thermostat calibration, safety checks, CO2 testing, efficiency report per unit head
New HVAC Install — Hennessey
“System checked out fine, replaced the air filter”
Hennessey fall HVAC inspection, Aprilaire MERV 11 air filter replacement, cooling heating components checked
New HVAC Install — Hennessey
“Furnace smelled like fumes when we fired it up for winter”
Fall furnace inspection Hennessey, replaced dirty Trane Perfect Fit 5 inch MERV 8 media filter, checked CO levels and gas lines
New HVAC Install — Hennessey
“Technician came out to check the system and get it running right”
HVAC service call and diagnostic in Hennessey fall, refrigerant evaluation and leak assessment performed
Duct & IAQ — Hennessey
“Geo system kept shutting down, breaker tripping on high pressure”
Geothermal heat pump high pressure fault diagnosis, water loop pressure check, Hennessey fall, pump purge scheduled
New HVAC Install — Hennessey
“Commercial AC system down, business interrupted, need emergency diagnosis”
Commercial HVAC Level D diagnostic service Hennessey summer emergency rooftop unit split system troubleshooting
Geothermal — Hennessey
“Needed a technician to come out and look at the system”
Service call dispatch and truck fee, Hennessey summer HVAC diagnostic visit
New HVAC Install — Hennessey
“Service call to Hennessey for diagnosis and truck fee”
HVAC service call dispatch and truck fee in Hennessey Oklahoma summer season
Duct & IAQ — Hennessey
“Service call to your home in Hennessey”
HVAC service dispatch and truck fee for air conditioning diagnostics in Hennessey Oklahoma summer
New HVAC Install — Hennessey
“AC wouldn’t start, turned out the capacitor was weak”
Hennessey summer AC repair: replaced 60/5 mfd capacitor, temperature split checked, filter replaced
New HVAC Install — Hennessey
“AC was running but not cooling like it used to”
R22 refrigerant top-up 1 lb, capacitor inspection, drain check, Hennessey summer AC maintenance
Geothermal — Hennessey
“Got charged a truck fee when the tech came out”
HVAC dispatch and truck service fee in Hennessey during summer season
Geothermal — Hennessey
“Service call to check out the system”
HVAC service dispatch and truck fee in Hennessey spring maintenance visit
Geothermal — Hennessey
“Spring checkup to get the AC ready for warm weather ahead”
Spring HVAC tune-up in Hennessey including AC inspection, filter replacement, cleaning of indoor and outdoor components for optimal cooling performance
Geothermal — Hennessey
“Got a technician out to look at our system”
HVAC service call dispatch and truck fee in Hennessey Oklahoma spring maintenance visit
Geothermal — Hennessey
“Got charged a truck fee just for the technician to show up”
HVAC dispatch and service call fee in Hennessey spring, technician arrival and truck deployment cost
New HVAC Install — Hennessey
“Water pooling up inside, ceiling starting to show stains”
Condensate drain pan treatment with EPA biocide tablets, Hennessey spring AC maintenance, prevents bacterial slime blockage
New HVAC Install — Hennessey
“We came out and found out what’s wrong with the unit”
Commercial HVAC diagnostic service in Hennessey, spring. Level C assessment identifying system issues and repair recommendations
Geothermal — Hennessey
“Furnace acting weird, needed someone to figure out what’s going on”
HVAC diagnostic service Hennessey winter, residential furnace inspection, repair recommendations provided
Geothermal — Hennessey
“Furnace acting up and we couldn’t figure out what was wrong”
Winter HVAC diagnostic Hennessey OK. Residential heating system assessment, troubleshooting, repair recommendations by certified contractor
Nearby Service Areas
Need HVAC Help in Hennessey?
Call 405-375-4822 or book online. Same-day appointments available across Central Oklahoma.