Hennessey, OK AC Repair, Furnace Repair & HVAC Installation
AC blowing warm air? Furnace won't fire? Connected Air Conditioning & Heating provides fast, affordable air conditioning and heating repair plus professional new system installation throughout Hennessey, Oklahoma — with flat upfront pricing and no overtime fees.
- Same-day repair in Hennessey
- 24/7 emergency dispatch
- Licensed, insured & EPA certified
- All brands serviced
- Parts stocked on every truck
- Free installation estimates
Your Hennessey, Oklahoma Air Conditioning & Heating Company
Weather extremes and thousands of run hours are hard on air conditioners and furnaces around Hennessey. Capacitors fail, coils freeze, refrigerant leaks, igniters burn out and blower motors seize. Connected Air Conditioning & Heating fixes all of it — same day AC repair in Hennessey, heating and furnace repair, heat pump service, tune-ups and new HVAC installation in Hennessey, OK.
Upfront pricing, licensed and insured technicians, and a written warranty on every repair.
Hennessey sits in our Oklahoma service network, and local systems have a specific problem to fight: oklahoma heat waves, hail and ice storms are brutal on outdoor units, contactors and heat pumps, which is why same-day repair matters here. Because those failures are predictable, our trucks carry the parts that break first here — which is how we finish most Hennessey repairs in one visit. See our full Oklahoma coverage.
From starter homes to custom builds and commercial rooftops, our Hennessey HVAC technicians work on every system type: central air, gas and electric furnaces, heat pumps, ductless mini-splits, packaged rooftop units and zoned systems. If it heats or cools a building in Hennessey, Oklahoma, we service it.
HVAC Services We Provide in Hennessey, OK
Repairs, replacements, installations and maintenance for homes and businesses across Hennessey, Oklahoma — residential and commercial, same day whenever possible.
AC Repair in Hennessey
24/7 same-day air conditioning repair on every brand — diagnosis, parts and repair in one visit.
Learn more →AC Installation in Hennessey
New high-efficiency central air, heat pump and mini-split installation with free in-home load calculation.
Learn more →AC Replacement in Hennessey
Straightforward system replacement with upfront pricing, efficiency comparisons and no scare tactics.
Learn more →Heating Repair in Hennessey
Same-day heating repair on furnaces, heat pumps, boilers and electric systems — 24/7 in cold snaps.
Learn more →Furnace Repair in Hennessey
Gas, electric and propane furnace repair with a free combustion and carbon monoxide safety check.
Learn more →Furnace Installation in Hennessey
High-efficiency 95%+ AFUE furnace installation, correctly sized, vented and combustion-tested.
Learn more →Heat Pump Repair & Installation in Hennessey
Heat pump diagnosis, repair and installation — defrost boards, reversing valves and full changeouts.
Learn more →Emergency HVAC Services in Hennessey
Live 24-hour dispatch for no-cool and no-heat emergencies — nights, weekends and holidays.
Learn more →HVAC Maintenance & Tune-Up in Hennessey
21-point precision tune-ups that cut energy bills, prevent breakdowns and protect your warranty.
Learn more →Duct Cleaning & Sealing in Hennessey
Duct cleaning, leak sealing and repair — the fastest fix for hot rooms and high energy bills.
Learn more →Thermostat Installation in Hennessey
Smart and programmable thermostat installation, wiring repair and zoning control setup.
Learn more →Indoor Air Quality in Hennessey
Air purification, humidity control and filtration that measurably improves the air you breathe.
Learn more →Commercial HVAC in Hennessey
Rooftop units, split systems and light commercial refrigeration serviced on your schedule.
Learn more →Fast, Honest, Warrantied HVAC Work
- Live 24/7 answering — a real dispatcher, not a voicemail box.
- Flat-rate written pricing approved before any work begins.
- Fully stocked trucks — capacitors, motors, igniters, boards, refrigerant.
- Complete diagnostics on electrical, refrigerant, airflow and safety controls.
- Every brand serviced in Hennessey regardless of who installed it.
- Background-checked technicians in uniform and marked trucks.
- No overtime fees nights, weekends or holidays.
Same-Day HVAC Service in Four Simple Steps
No call centers, no vague all-day windows, no surprise invoices.
Call or Book Online
Describe the symptom. We narrow the likely cause on the phone and give you a realistic price range up front.
Two-Hour Arrival Window
You get a tight window and a text when your technician is en route — same day in most cases.
Full Diagnostic & Flat Quote
We test electrical, refrigerant, airflow and safety controls, then hand you a written flat price before touching a part.
Repaired & Warrantied
Trucks are stocked, so most repairs finish in one visit — then we verify performance and back it in writing.
What Hennessey Customers Say
Rated 4.9 out of 5 across Google, Facebook and Yelp.
“Signed up for the maintenance plan after they found a cracked heat exchanger during a tune-up. Genuinely might have saved my family. Explained everything with photos.”
Brandon K.Hennessey, OK
“They sealed our ducts and added return air. The back bedroom went from unusable in August to the same temperature as the rest of the house, and our bill dropped almost $70 a month.”
Whitney A.Hennessey, OK
“Our restaurant rooftop unit failed on a Friday night. They worked until 1am to get it running so we didn't have to close Saturday. That's real service.”
Ray H.Hennessey, OK
Serving Hennessey, Oklahoma and Nearby Towns
Mobile HVAC service throughout Hennessey and the surrounding area — we come to you.
Nearby Cities We Also Serve
AC & Heating Repair in Hennessey — Common Questions
How fast can you get to my home in Hennessey?
How much does AC repair cost in Hennessey, OK?
Do you offer 24 hour emergency HVAC services in Hennessey?
Do you install new AC and heating systems in Hennessey, Oklahoma?
My AC is blowing warm air in Hennessey. What should I check first?
What HVAC brands do you service in Hennessey?
Do you serve areas outside Hennessey?
Why do air conditioners fail so often in Oklahoma?
No Cooling or No Heat in Hennessey, OK? We Can Usually Be There Today.
Free phone estimates, flat-rate pricing approved before we start, and absolutely no overtime charges on nights, weekends or holidays. Emergency HVAC services in Hennessey, OK answered 24/7 by a real person.
☎ (877) 493-7234Call Now — 24/7 Dispatch Request a Free Quote