Top HVAC Companies in Houston

Houston’s climate is a double whammy: long stretches of 90°+ days, dew points parked in the 70s, and sudden storm fronts that swing from steamy to soggy in an afternoon. In peak months, air conditioning can account for 40–60% of a home’s electricity use, and poor ductwork alone can waste 20–30% of cooled air. That’s why the team you choose matters as much as the equipment itself. The top HVAC companies in Houston don’t just swap boxes; they size systems correctly for Gulf Coast humidity, design ductwork that actually delivers the airflow you’re paying for, and commission every install so it performs on day one—not “after it breaks in.”

Since 2023, the South Region (including Texas) minimum efficiency has shifted to SEER2 14.3 for split systems, with updated EER2/HSPF2 ratings too. Great contractors will explain how that translates to real savings, when a heat pump beats a straight-cool + gas furnace, and why humidity control (not just temperature) is what makes a Houston home feel comfortable at 75°F. Expect them to talk static pressure, sensible vs. latent loads, and filtration that tackles oak/pine pollen without choking your blower.

Good HVAC also protects your home. Think overflow shutoff switches on attic air handlers, float switches on secondary drain pans, whole-home surge protection for control boards, and proper refrigerant line-set replacement during change-outs. Add smart thermostats (typical 8–15% savings when used well) and you’ve got comfort that’s efficient, resilient, and easier on the grid when ERCOT is peaking.

Quick Houston HVAC checklist:

Licensing & insurance: Texas TACLA license; pulls permits and schedules inspections.
Right-sizing: Written Manual J/S/D (load, duct, and register design) before quoting tonnage.
Commissioning: Startup report with airflow (350–450 CFM/ton), static pressure, superheat/subcool.
Ductwork: Test/repair leaks; design for low static; insulate and properly seal with mastic.
Humidity control: Dehumidification strategy (staged/variable systems or dedicated dehumidifier).
Efficiency: SEER2/EER2 explained in dollars for your usage; utility rebate guidance if available.
Protection: Condensate float switches, drain safeties, surge protection, and flood-aware placement.
IAQ: MERV-13 (or better) filtration with pressure drop considered; fresh-air/ERV options.
Transparency: Line-item proposals, model numbers, labor/parts warranties (aim for 10-yr parts, 2+-yr labor), and maintenance plan details.

Businesses marked are featured.

HVAC Companies in Houston

Discover the top HVAC companies in Houston offering expert AC repair, installation, and maintenance for reliable comfort and energy efficiency year-round.

Abacus Plumbing, Air Conditioning, & Electrical

+1 713-812-7070
4001 Kendrick Plaza Dr, Houston, TX 77032, United States

Abacus Plumbing, Air Conditioning & Electrical is a trusted provider of comprehensive HVAC services in Houston, offering expert air conditioning installation, repair, and maintenance. Renowned for their 24/7 emergency service and dedication to quality, Abacus delivers efficient, customized solutions through a team of licensed and experienced technicians. Their focus on client satisfaction and dependable service has made them a top choice for HVAC needs in Houston.

Air Conditioning Installation & Repair
Heating System Services
Preventive HVAC Maintenance
Emergency HVAC Services (24/7)
Licensed & Certified Technicians

John Moore Services

+1 713-730-2525
10005 W Sam Houston Pkwy N #200, Houston, TX 77064, United States

John Moore Services is a well-established provider of HVAC, plumbing, and electrical services in the Houston area. Their expert team offers air conditioning repair, heating system installation, and indoor air quality enhancements, all backed by a commitment to top-tier workmanship. With flexible maintenance plans and a strong focus on customer care, John Moore Services remains one of the most reliable HVAC companies in Houston.

Air Conditioning Repair & Installation
Heating System Solutions
Indoor Air Quality Improvements
Plumbing & Electrical Services
HVAC Maintenance Plans

Mission Air Conditioning & Plumbing

+1 281-502-2062
1630 Elmview Dr, Houston, TX 77080, United States

Mission Air Conditioning & Plumbing is a trusted HVAC provider in Houston, offering fast, reliable service for both homes and businesses. Their team specializes in AC repair, new unit installation, and maintenance, all backed by upfront pricing and a focus on energy-efficient solutions. With a reputation for prompt service and customer satisfaction, Mission Air is a go-to choice for dependable HVAC care.

AC Repair & Replacement
HVAC Installation
Energy-Efficient Systems
Upfront Pricing & Fast Response
Annual Maintenance Plans

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AC Comfort

+1 832-280-4594
17706 French Rd, Houston, TX 77084, United States

AC Comfort is a top-rated HVAC company in Houston offering comprehensive air conditioning services with a focus on quality and customer care. Their experienced team provides AC installation, repair, and scheduled maintenance, along with free estimates and financing options. Known for dependability and professionalism, AC Comfort ensures every system runs smoothly and efficiently.

AC Installation & Replacement
HVAC Repairs & Maintenance
Free Estimates & Financing Options
Energy-Efficient HVAC Systems
Customer-First Approach

Clear the Air Cooling & Heating

+1 281-801-8915
1918 County Rd 130, Pearland, TX 77581, United States

Clear the Air Cooling & Heating is a trusted HVAC company serving the Houston and Pearland areas with residential and commercial air solutions. Known for top-tier customer service and reliable expertise, they provide HVAC repairs, new installations, and indoor air quality upgrades. Their energy-efficient systems and routine maintenance plans help homeowners and businesses stay comfortable year-round.

Residential & Commercial HVAC Services
Air Conditioning Installation & Repair
Heating System Services
Indoor Air Quality Solutions
Maintenance Plans for Year-Round Efficiency

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Choosing the right HVAC partner in Houston isn’t only about getting cold air in August—it’s about efficiency, durability, and air you actually want to breathe. A properly sized, well-commissioned system can trim summer bills by 10–30%, hold indoor humidity in the 45–55% sweet spot, and keep bedrooms comfortable at the far end of a long ranch floor plan. It’s the difference between “it runs” and “it runs right.”

Start smart. Gather a year of utility bills, your home’s square footage, insulation levels, window count, and any hot/cold trouble spots. When you request bids, ask for a Manual J/S/D, a commissioning sheet with airflow, static pressure, and refrigerant readings, and a duct leakage plan. Insist on written model numbers, warranty terms (10-year parts; at least 2-year labor is a strong baseline), and a maintenance schedule that includes coil cleaning and drain-line treatment—clogged condensate lines are a Houston summertime classic.

Think beyond the box. In our humidity, comfort = temperature and moisture control. Variable-speed or two-stage systems, re-worked ductwork, or even a dedicated dehumidifier can make a 75°F setpoint feel crisp instead of clammy. Add MERV-13 filtration (with pressure drop accounted for), fresh-air ventilation or an ERV if you’re sealing up a tight home, and simple protections like float switches and surge suppressors to save ceilings and control boards when storms roll through.

Finally, pick people you like and trust. The companies above have built local reputations on clear communication, tidy installs, and quick follow-through when you need help the most. Whether you’re planning a full system upgrade or just trying to survive the next heat wave, a top Houston HVAC contractor will keep you comfortable today—and set you up for lower bills, cleaner air, and fewer surprises for years to come.

Disclosure: This list is intended as an informational resource and is based on independent research and publicly available information. It does not imply that these businesses are the absolute best in their category. Learn more here.

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