HVAC Services in Houston, TX
When your air handler quits on a July afternoon and your attic’s pushing 145°F, you need Emergency & Commercial HVAC in Houston that answers the phone with a live person, sends a background-checked technician who knows Meyerland ranch homes from Memorial brick-veneers, and quotes a price that won’t budge once the work starts. Fireside Heating & Air Co. of Houston has served this city since 2018, and we answer calls around the clock at (833) 313-7291 - nights, weekends, and holidays. Most repairs are completed in a single visit, and every job carries our 90-Day Done Right Promise in writing.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Why Houston Homeowners Choose Fireside Heating & Air Co. of Houston
We’ve been in Houston long enough to know which 1970s slab-on-grade subdivisions near Bellaire have original flex duct crumbling on attic floors, and which southwest Houston systems were oversized by builders who didn’t account for latent heat load. That matters when you’re trying to stop the clammy, mold-prone conditions that short-cycling AC units leave behind.
Our phones are answered by a live person 24 hours a day, 7 days a week. No voicemail trees, no callbacks tomorrow morning. When you call (833) 313-7291 at 2 a.m. because your heat pump locked out, you’ll speak with someone who can dispatch a uniformed, background-checked technician trained as a journeyman. They put on shoe covers without being asked.
We do not chase the lowest bid. We chase the last call you’ll need to make. Our 90-Day Done Right Promise means if something isn’t right, we make it right - in writing, no paperwork, no arguing. That’s the Keystone Standard applied to heating and cooling, and it’s why Houston homeowners in their homes twenty-plus years call us back.
HVAC Services We Offer in Houston
AC Repair & Installation in Houston
Houston’s Gulf-driven humidity forces air conditioners to work as dehumidifiers first, coolers second. We repair and replace systems from nine major brands including Lennox, Goodman, and Rheem, with sizing calculations that account for latent heat load, not just square footage. Learn more about our AC Repair & Installation in Houston.

Heating & Furnace in Houston
Our heating season may be brief, but a failed furnace during a January cold snap is no small matter. We service gas furnaces, heat strips, and dual-fuel systems across Houston’s inner suburbs, with same-day response when safety is involved. Learn more about our Heating & Furnace in Houston.

Heat Pump & Mini Split in Houston
Heat pumps handle Houston’s mild winters efficiently, and ductless mini-splits solve the persistent problem of cooling additions or garage conversions without tapping into attic ductwork that’s already overtaxed. We size these systems for humidity control, not just temperature drop. Learn more about our Heat Pump & Mini Split in Houston.

Air Quality & Ventilation in Houston
With relative humidity regularly pushing 65-70% indoors when systems are poorly sized, Houston homes face mold, dust mite, and biofilm pressures that drier climates simply don’t. We install whole-home dehumidifiers, UV air purifiers, and Houston Air Quality & Ventilation systems designed for Gulf Coast conditions.

Emergency & Commercial HVAC in Houston
Our 24/7 live answering applies to commercial properties too - small office buildings, churches, and retail spaces in Houston that cannot afford downtime during peak summer. We carry common parts for York, Rheem, Goodman, and Carrier service in Houston commercial units to minimize wait times.

Neighborhoods We Serve in Houston
We keep our service radius tight enough to reach most Houston homeowners within 45 minutes during normal hours, and under 90 minutes for overnight emergencies. These are the neighborhoods we know block by block:
- Meyerland - 1970s-1980s slab-on-grade ranches with original ductwork in attic spaces
- Memorial - brick-veneer homes with aging systems and high expectations for technician courtesy
- Southwest Houston - diverse housing stock requiring flexible diagnostic approach
- Heights / Washington Corridor - renovated bungalows and new construction with mini-split and zoning needs
- West University Place - established homes where homeowners value written guarantees and upfront pricing
Why Houston’s Climate & Housing Affect HVAC
Houston sits roughly 50 miles from the Gulf of Mexico, and that proximity creates a HVAC environment found almost nowhere else in the continental United States. From May through September, dew points routinely hit 75-80°F, which means your system must remove massive latent heat load - moisture - before it ever begins lowering the temperature on your thermostat. An oversized unit that short-cycles will drop the reading while leaving relative humidity at 65-70%, producing the clammy interiors that generate perennial callbacks here and are rarely the presenting complaint in Phoenix or Las Vegas.
Compounding this, Houston’s lack of zoning and oil-boom growth cycles produced enormous tracts of 1970s-1990s slab-on-grade ranch and brick-veneer homes, especially in Meyerland, Memorial, and southwest Houston. The high water table and expansive “gumbo” clay soil mean virtually no basements exist, pushing nearly all residential air handlers into attics that reach 130-150°F in summer. Equipment doesn’t merely work hard in Houston; it bakes. A correctly sized system with proper attic heat load management and moisture control will outlast an identically spec’d unit installed in Dallas or San Antonio by years. That’s not theory. That’s what we’ve observed across four decades of service.
Then there’s the condensate drain line problem, so endemic here that experienced local techs treat a flush and pan-tab treatment as standard on every tune-up - not an upsell. The combination of year-round heat, near-constant system runtime often exceeding 2,400 hours annually, and ambient humidity turns neglected drain pans into a petri dish within a single season. Float-switch shutoffs and ceiling water damage generate more emergency calls per capita in Houston than in virtually any other major U.S. market. We see it every summer.
Pricing for HVAC in Houston
We believe in a square deal: the price quoted is the price paid. No surprises, no add-ons discovered mid-job.
- Seasonal Tune-Up: $89 - includes condensate flush, refrigerant check, and capacitor test
- Standard Repair: $180-$450 - most common fixes fall in this range (capacitors, contactors, float switches)
- Major Repair (compressor, coil, motor): $800-$2,400
- System Replacement: $5,800-$12,500 - varies by tonnage, SEER rating, and whether ductwork modifications are needed for Houston attic conditions
Current offers: $50 off any repair over $250, free second opinion on any written estimate, and a permanent 5% discount for seniors and veterans. Call (833) 313-7291 for an exact quote - estimates are free.
Service Area - Cities Near Houston
We also serve homeowners in Bellaire, West University Place, Galena Park, and Jacinto City with the same live-answer phones, same journeyman-trained technicians, and same 90-Day Done Right Promise.
Serving Houston, TX - Our Local Coverage Area
We’re based in the Houston area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About HVAC in Houston
Most Lennox repair in Houston and other AC repairs run $180-$450 for common issues like failed capacitors, contactors, or condensate drain clogs. Major repairs such as compressor or evaporator coil replacement range $800-$2,400. Houston’s attic heat accelerates capacitor and refrigerant line degradation, so we see more of these failures here than in cooler climates. Call (833) 313-7291 for a free estimate with upfront pricing.
Your system is likely oversized or short-cycling, dropping the thermostat reading without running long enough to remove Houston’s extreme latent moisture load. Houston’s Gulf-driven humidity requires systems sized for dehumidification first, cooling second. An oversized unit will hit temperature setpoint quickly, shut off, and leave relative humidity at 65-70%. We evaluate both sensible and latent load during every sizing calculation.
Twice yearly - spring for cooling, fall for heating - with condensate drain treatment every visit. Houston’s year-round heat, near-constant runtime, and biofilm-friendly humidity make drain line clogs a seasonal certainty, not a possibility. Our $89 seasonal tune-up includes flush, pan-tab treatment, and full system check.
Replace if your system is over 12 years old, uses R-22 refrigerant, or has required major repairs in two of the last three seasons. Houston’s attic heat ages equipment faster than milder climates, so a struggling system here faces steeper decline. We give straight talk about repair versus replace, and we offer free second opinions on any written estimate you’ve received.
Yes. Our phones are answered by a live person 24/7, and we prioritize true emergencies - no heat on a freezing night, complete cooling failure with vulnerable residents, or water damage from a backed-up condensate line. Most Houston homeowners see us within 45 minutes during business hours, under 90 minutes overnight. Call (833) 313-7291.
Written by the team at Fireside Heating & Air Co., serving Houston since 2018.
What happens when you call
- 1A real person answersNo phone trees - talk to a local hvac pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Houston Customers Say
"Blower motor on a twelve year old furnace. He gave me the honest math on repair against replace and did not push me toward the bigger ticket."
- Paige Hoffman"Ductwork in the attic had a disconnected run dumping cold air into the insulation. He found it, resealed it, and a bedroom that was always hot is normal now."
- Hector Guzman"The maintenance plan is actually worth it. They turn up twice a year and the last visit caught a refrigerant leak before it became a July disaster."
- Kurt Anderson