- (713) 598-2737
- info@75degreeac.com
- 4800 W 34th St C50F, Houston, TX 77092, United States
- Local & Professional
- 24/7 Emergency Service
Expert Heating Services in Houston, TX: Repairs, Installation & Maintenance
- Emergency Appointments Available
- Home & Commercial
- Easy Scheduling
Top-Rated Heating Services Providers in Houston, TX Since 2016
Since 2016, 75 Degree AC has built its reputation as one of the most trusted HVAC contractors in Houston by doing the work right the first time. From furnace diagnostics and heat pump repairs to full system replacements, our licensed technicians have serviced thousands of Houston homes across The Heights, Katy, Sugar Land, Pearland, and beyond. Every job we take on is backed by upfront pricing, manufacturer warranties, and a workmanship guarantee that holds us accountable long after we leave your door.
What separates us from other heating services Houston providers is nine years of hands-on experience with Gulf Coast climate conditions that most contractors outside this region simply do not understand. Houston's high humidity, mild but sudden winters, and homes built on slab foundations all create specific stress points on heating systems that require a different diagnostic approach, and that is exactly what our team is trained for.
- Cool Craft Custom Solutions
Complete Heating Services for Houston Homes & Businesses
75 Degree AC covers every heating need Houston homeowners and business owners face, from a single repair call to a full system overhaul, all under one licensed roof.
Heating Repair & Maintenance
When your system underperforms, our technicians diagnose the exact fault fast, whether it is a faulty ignitor, a cracked heat exchanger, or a failing blower motor, and fix it the same visit. Heating maintenance Houston homeowners rely on starts with a thorough seasonal tune-up that catches small issues before they become costly failures.
Heating Installation & Replacement
We size, source, and install the right heating system for your home's square footage, insulation type, and gas or electric setup, so you are not overpaying to heat space incorrectly. Every installation meets current ACCA Manual J load calculation standards.
Furnace Installation
Our technicians install gas and electric furnaces from trusted manufacturers like Carrier, Trane, and Lennox, with proper venting, gas line connections, and airflow calibration done correctly from day one.
Furnace Replacement
If your furnace is over 15 years old or the furnace repair Houston cost exceeds half its replacement value, we walk you through a transparent replacement process with zero pressure and clear pricing before any work begins. .
Thermostat Repair & Installation
A miscalibrated or failing thermostat causes short-cycling, uneven temperatures, and higher utility bills. We repair existing units and install programmable or smart thermostats compatible with your current heating system.
Residential Heating Services
Houston homeowners trust 75 Degree AC for heating repair Houston calls, annual maintenance plans, and full system replacements, all backed by a workmanship warranty and same-day scheduling availability.
Commercial Heating Services
We service rooftop units, heat pumps, and gas heating systems for Houston office buildings, retail spaces, and light industrial facilities, with flexible scheduling that keeps your business operational during service.
Houston's Winters Are Short: But Your Heating System Can't Afford to Fail
Houston averages only 30 to 40 heating days per year, but those days arrive fast, often dropping from 70°F to below freezing within 24 hours, which means a heating system that sat idle for nine months gets called into full demand overnight. That sudden workload is exactly when aging components fail, and why every heating service Houston TX calls we receive spikes the moment the first cold front moves through Harris County.
Most Houston homes run heat pumps or gas furnaces that were never designed to sit dormant through a long humid Gulf Coast summer and then perform flawlessly on demand. Dust buildup in burners, corrosion on electrical contacts, and refrigerant pressure shifts caused by humidity all develop quietly during the off-season, and a pre-winter inspection by a licensed technician is the only reliable way to catch them before your first cold night of the year.
Warning Signs Your Houston Home Needs Heating Repair
Houston’s climate puts specific stress on heating systems that homeowners in colder states rarely deal with, and knowing the early warning signs saves you from a full breakdown on the coldest night of the year.
Catching any one of these signs early is what separates a straightforward heating services in Houston repair call from a full system replacement conversation.
Uneven heating room to room
In Houston homes built on slab foundations, duct runs are often longer and less insulated than in raised-floor homes, so a failing blower motor or a disconnected duct segment creates noticeable cold spots in back bedrooms before the main living area feels any different.
Sudden spike in your gas or electric bill
A 15 to 25 percent increase in your heating bill without a change in usage habits points directly to efficiency loss, typically from a dirty heat exchanger, a clogged air filter restricting airflow, or a failing inducer motor forcing the system to run longer cycles to reach your set temperature.
Strange noises from the unit
A banging sound on startup usually means a delayed ignition caused by gas buildup in the burner. Rattling points to a loose heat exchanger panel or duct connection. Squealing on blower startup signals a worn belt or a dry blower motor bearing that will seize if left unaddressed.
Yellow or orange pilot light instead of blue
A healthy gas furnace burns blue. A yellow flame means incomplete combustion, which is a direct indicator of carbon monoxide production. This is a safety issue that requires you to shut the system off and call a licensed technician the same day.
Short-cycling or no startup at all
A system that turns on and off every few minutes is typically reacting to a tripped limit switch caused by overheating, often from a blocked filter or a closed supply vent.
Should You Repair or Replace Your Heating System?
The decision comes down to three factors: system age, repair cost, and efficiency rating. If your furnace or heat pump is under 10 years old and the repair cost is below 30 percent of a new system’s installed price, repair is almost always the right call. But if your system is 15 years or older, carries an AFUE rating below 80 percent, or has needed two or more repairs in the past 18 months, replacement pays for itself faster than most Houston homeowners expect through lower monthly utility bills alone.
A practical rule our technicians use in the field: multiply the repair cost by the system’s age in years, and if that number exceeds $5,000, replacement is the stronger investment. Houston’s high humidity accelerates internal corrosion on heat exchangers and electrical components, which means a 16-year-old furnace limping through repairs is rarely just one fix away from running reliably again.
Our Heating Service Process:
What to Expect From Your Technician
Most Houston homeowners have dealt with a contractor who showed up late, quoted vague prices, and left without explaining what was done. Our heating services are built around a simple six-step process so you know exactly what to expect from start to finish.
Schedule Your Service Call
Call or book online and our team confirms your appointment window by text, so you're never left guessing when your technician will arrive at your Houston home.
System Diagnosis on Arrival
Your technician inspects the heat exchanger, burner assembly, blower motor, air filter, thermostat calibration, and flue venting to identify every issue—not just the obvious one.
Upfront Written Quote
Before any repair or replacement begins, you receive a flat-rate written quote covering both parts and labor, with absolutely no hidden charges.
Repair or Installation Completed
Our technician performs the approved work using manufacturer-grade parts compatible with Carrier, Trane, Lennox, and Goodman systems to protect your warranty.
System Performance Test
Once the work is complete, we test supply air temperature, static pressure, and thermostat response to ensure your heating system performs to manufacturer standards.
Walkthrough & Warranty Documentation
Your technician explains everything completed, provides written warranty documentation, and answers your questions about maintaining your heating system throughout Houston's humid off-season.
Serving All Houston Neighbourhoods & Zip Codes
75 Degree AC provides heating services in Houston across every major area, including The Heights, Midtown, Sugar Land, Katy, Pearland, Cypress, Spring, The Woodlands, Pasadena, and Humble, covering zip codes across Harris County, Fort Bend County, and Montgomery County. If your address falls within the greater Houston metro area, our licensed technicians reach you the same day you call, with no additional travel charges applied to surrounding neighborhoods outside the Loop.
Why Houston Homeowners Choose 75 Degree AC for Heating Services
There is no shortage of HVAC contractors in Houston, but very few combine nine years of local field experience, transparent pricing, and technicians who are licensed under Texas TACLB regulations with the accountability to back every job they complete. Here is what makes our heating services in Houston different from the rest.
Need Immediate HVAC Installation?
Experiencing system failure? Get fast, same-day heating and cooling replacement and setup down to your doorstep.
Schedule Your Heating Service in Houston Today
Frequently Asked Questions
How much does heating repair cost in Houston, TX?
Heating repair in Houston typically costs between $150 and $600 depending on the faulty component, with minor fixes like ignitor replacements sitting at the lower end and heat exchanger or blower motor repairs at the higher end. 75 Degree AC provides a flat-rate written quote before any work begins so you know the exact cost upfront.
How often should I service my heating system in Houston?
Houston heating systems should be serviced once per year, ideally in October before the first cold front arrives. Annual maintenance keeps your furnace or heat pump running efficiently, protects your manufacturer warranty, and prevents the kind of failures that happen on the coldest night of the season.
What heating system works best in Houston's climate?
Heat pumps are the most efficient option for Houston’s mild winters because they move heat rather than generate it, which keeps energy costs low. Homes with existing gas lines benefit from a high-efficiency gas furnace with an AFUE rating of 90 percent or above for the best balance of performance and utility savings.
Do you offer emergency heating repair in Houston?
Yes, 75 Degree AC provides same-day emergency heating repair across Houston, Harris County, Fort Bend County, and Montgomery County, with no overtime charges on evenings or weekends. Call us directly and a licensed technician will be dispatched to your home the same day.
Are your HVAC technicians licensed in Texas?
Every technician at 75 Degree AC holds an active Texas Air Conditioning and Refrigeration Contractors license issued under TACLB regulations, and all work is fully insured. This protects your home, your warranty, and your investment on every service call we complete.
When should I replace my heating system instead of repairing it?
Replace your heating system when it is 15 years or older, carries an AFUE rating below 80 percent, or when the repair cost multiplied by the system’s age in years exceeds $5,000. At that point, a new high-efficiency system pays for itself through lower monthly energy bills faster than ongoing repairs on an aging unit will.