5050 Quorum Dr Suite 700, Dallas, TX 75254 
Open 24 Hours 
Frisco homes heat with gas furnaces, electric furnaces or heat pumps, often in the attic of a two-story house. Many of those systems are original to the house and now 15 to 20 years old. Here’s what to check when the heat stops, and what to do first if you smell gas.
No heat in Frisco? Check these before you call
- Filter. A clogged filter can overheat a furnace and trip its limit switch.
- Furnace switch and breaker. The switch near the furnace looks like a light switch and is easy to bump off.
- Furnace door. Most furnaces won’t run if the front panel isn’t fully closed.
- Gas smell. If you smell gas, leave the house first, then call 911 and your gas utility from outside. Don’t touch the thermostat or light switches on the way out.
- Power. Even a gas furnace needs electricity for its blower and controls. Depending on your address, Frisco gets its electricity from Oncor or CoServ; your bill tells you which. If the whole house is dark, report it to Oncor at 888-313-4747 or CoServ at 800-274-4014 before you call an HVAC company. Some systems wait before restarting after power returns, so give it a little time.
- Thermostat. Set to Heat and above the room temperature.
Still cold? Call 972-423-0012, 24/7.
Heating repairs we handle
- Heat pumps: reversing valves, defrost controls and backup heat strips.
- Electric furnaces and air handlers: heat strips, sequencers and blower motors.
- Short cycling: see furnace short cycling.
- Thermostats: wiring and settings, especially after a thermostat swap.
- Gas furnaces: igniters, flame sensors, pressure switches, inducer motors, limit switches and control boards.
Not sure which you have? Read heat pump vs. furnace, and see how to prepare your HVAC system for winter.
Frisco homes and what their age means for your system
Frisco is young. The Census puts the median Frisco home at 2009, and three of every four were built in the 2000s or 2010s. That means a lot of Frisco homes are reaching the age where the original builder-installed system needs its first major repair or replacement.
The Census counts about 80,353 homes in Frisco. Here’s how they break down by decade built:
| Built | Share of homes | What we often find |
|---|---|---|
| Before 1990 | About 5% | The original town and older rural homes. Systems and ducts here vary the most. |
| 1990s | About 14% | About 30 years old. Most are on their second system, and some second systems ran on R-22. |
| 2000s | About 35% | Frisco’s first big wave. Builder-installed systems from this era are 15 to 25 years old, and many still use R-22 or early R-410A. |
| 2010s | About 40% | Frisco’s biggest decade. Most of these homes still have their original R-410A equipment. |
| 2020 and later | About 7% | New construction, often with equipment on the newer refrigerants. |
The house’s age doesn’t tell you the system’s age. The data plate on the outdoor unit does, and it’s the first thing we read.
Many Frisco homes are two stories, with an air handler or furnace in the attic. An attic unit needs a working condensate drain; when that drain clogs, water can end up in the ceiling below. If you see a stain on an upstairs ceiling or water dripping from a vent, turn the system off and call.
Frisco permits for HVAC work
- The contractor enters its City registration number on the application. After the permit is paid, the City issues a placard to display at the job.
- Inspections are requested through eTRAKiT. Frisco lists HVAC change-outs as eligible for its Remote Video Inspection program, where an inspector reviews the work by video call, if the Building Official approves it.
- Frisco suggests talking to a Building Inspections representative if you’re unsure whether a project needs a permit.
- The City of Frisco treats replacing heating and cooling systems as a Residential Self-Service permit. It’s applied for online through the Frisco Plans and Permits portal and doesn’t need plan review by City staff.
Dallas Heating and Air Conditioning is registered with the City of Frisco as a mechanical contractor. For a replacement, we pull the permit and schedule the inspection.
Many Frisco homes have more than one system, often one for each floor. If one floor has heat and the other doesn’t, the problem is usually in one system, and the thermostat for that floor is the first place to look. Write down which thermostat isn’t working when you call; it saves time on the visit.
Refrigerant and efficiency rules that affect your decision
R-22. The EPA ended the manufacture of new R-22 equipment in 2010 and the production and import of R-22 itself on January 1, 2020. An R-22 system can keep running, but it can only be recharged with recovered or reclaimed R-22. A large leak on an R-22 unit is often the point where replacement makes more sense than repair.
SEER2. Since January 1, 2023, Department of Energy rules require new split-system central air conditioners installed in the Southeast region, which includes Texas, to meet at least 14.3 SEER2 under 45,000 Btu/h and 13.8 SEER2 at 45,000 Btu/h and up. New split heat pumps nationwide must meet 14.3 SEER2. See SEER vs. SEER2.
Heat pumps. A heat pump is also your air conditioner, so the same rules apply, and a failed heat pump can take out heating and cooling at once. See heat pump repair.
How a Frisco repair visit works
- You call. We answer 24/7.
- Safety first. On a gas furnace, we check venting, the flame and the gas connection before anything else.
- Diagnosis. A NATE-certified technician tests ignition, safeties, controls and airflow.
- Written price. Upfront written pricing before any work starts.
- Repair and test. We run a full heating cycle and confirm the safeties work.
Call right away if
- A carbon monoxide alarm: get everyone outside and call 911
- A furnace that makes a loud bang when it lights
- No heat in freezing weather, especially with vulnerable people in the house
- Any smell of gas: leave first, then call
Why homeowners call us
- 24/7 service
- Upfront written pricing before any work starts
- Financing available
- Registered with the City of Frisco as a mechanical contractor
- All major brands, including Carrier, Trane, Lennox, Rheem, American Standard, York, Daikin, Mitsubishi, Fujitsu, Amana, Bryant and Goodman
- NATE-certified technicians
More for Frisco: HVAC service in Frisco, AC repair in Frisco, AC installation in Frisco. See also furnace repair and heating service and HVAC maintenance and tune-ups.
Call 972-423-0012, open 24 hours.
