Gaitz Logo Apply for Financing
832-864-8818
Gaitz Logo
Apply for Financing
832-864-8818
832-864-8818

Top HVAC service and Repair in Houston, TX

Residential and commercial heating, ventilation, air conditioning, refrigeration, and duct services in Houston.

Do It Right The First Time

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HVAC Services in Houston - Gaitz HVAC/R

Our HVAC & Refrigeration Services

HVAC Services in Houston - Gaitz HVAC/R

Heating

Need a brand new furnace? Our Furnace Installation service ensures that your home is equipped with a state-of-the-art heating system tailored to your specific needs

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HVAC Services in Houston - Gaitz HVAC/R

Ventilation

A clean and well-maintained kitchen exhaust system is crucial for the safety and efficiency of any commercial kitchen

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Air Conditioning

We offer installation and maintenance of split system air conditioners, which are perfect for residential and small commercial spaces.

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HVAC Services in Houston - Gaitz HVAC/R

Refrigeration

Our expert technicians are highly trained in the installation of a wide range of commercial refrigeration units.

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Air Quality

Indoor air quality is essential for a healthy and comfortable environment. Our Air Quality services help reduce pollutants, allergens, and humidity issues, ensuring your home or business has clean, fresh, and breathable air every day.

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Duct Cleaning

Properly cleaned air ducts improve airflow, system efficiency, and indoor comfort. Our professional Duct Cleaning service removes dust, debris, and contaminants from your ductwork to keep your HVAC system running smoothly and your air cleaner.

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Inspection & Insulation

A thorough system inspection and high-quality insulation help maintain energy efficiency and reduce heating and cooling costs. We ensure your home or facility is properly insulated and that your HVAC components are operating safely and effectively.

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Generator Installation

Our Generator Installation services provide reliable backup power when you need it most. We install and configure dependable generator systems to keep your home or business running smoothly during outages or emergency situations.

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Heat Pumps

If you’re tired of sky-high energy bills and an HVAC system that never seems to keep up, it’s time to look into heat pump services Houston residents trust. You deserve year-round comfort without wasting energy or money, and that’s exactly what Gaitz HVACR delivers.

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Technology That Elevates Every Service

We invest in industry-leading systems, diagnostics, and inspection tools to deliver better performance, better efficiency, and a better experience for our customers. From advanced HVAC/R equipment and indoor-air-quality upgrades to digital reporting and real-time communication, our team uses the technology that ensures every job is done with accuracy, transparency, and long-term reliability.

Measure Quick

We use MeasureQuick to bring data-backed accuracy to every system we service. With this platform, our technicians can verify airflow, refrigerant charge, heat-pump performance, and system efficiency with pinpoint detail — eliminating guesswork and preventing recurring issues.

This pairs with our expertise in today’s most advanced equipment, including Daikin FIT systems, VRV/VRF technology, mini-splits, and high-efficiency heat pumps. Combined with infrared and borescope inspections, we can detect hidden failures early, optimize performance, and ensure your system operates exactly as designed.

The result: higher comfort, lower energy costs, and longer equipment life.

Conduit Tech

Conduit Tech allows us to deliver a transparent, customer-centric service experience. You get real-time updates, job-site photos, and clear walkthroughs explaining what we find and why it matters — so you’re never left guessing.

Behind the scenes, this technology supports our full HVAC/R and refrigeration capabilities: residential systems, large multi-ton commercial units, walk-ins, ice machines, prep coolers, and more. We also integrate modern indoor-air-quality solutions like UV lights, air scrubbers, media filters, and fresh-air dampers to improve comfort and system health.

Need an upgrade? We partner with trusted lenders to make high-efficiency equipment and energy-saving options more accessible.

Areas We Serve

City Icon Aldine
City Icon Bellaire
City Icon Greater Inwood
City Icon Houston
City Icon Houston Heights
City Icon Hunters Creek Village
City Icon Jersey Village
City Icon North Houston
City Icon Oak Forest
City Icon Aldine
City Icon Bellaire
City Icon Greater Inwood
City Icon Houston
City Icon Houston Heights
City Icon Hunters Creek Village
City Icon Jersey Village
City Icon North Houston
City Icon Oak Forest
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Family Owned & Operated

Tonya Gaitz is a second-generation HVACR technician and the founder of Gaitz HVACR, a woman-owned and operated company established in 2014 to support her father, Charles A. Gaitz. She first stepped into the family business helping with billing, but that lasted about a week before she moved into the field as his helper. From running service calls out of her RAV4 to becoming a licensed professional in process refrigeration and environmental air (Class A), Tonya has built her career on grit, integrity, and technical excellence.

Passionate about developing the next generation of technicians using the latest technology, Tonya serves on the CTE advisory boards for Klein Cain (Klein ISD) and Alief ISD, helping bridge the gap between education and industry. She is a proud Daikin Comfort Pro partner, an active member of Women in HVACR, and a strong supporter of the Grit Foundation, reflecting her commitment to workforce development and expanding opportunities in the skilled trades.

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See what Our Customers Are saying

See Why Houston Homeowners Rate Us 5 Stars

Our customers across Houston trust us for reliable service, clear communication, and honest pricing. Homeowners and businesses continue to call us because they know we show up when we say we will, do the work the right way, and never leave them guessing about the cost or the quality. Our reputation is built on real experiences from people who rely on our team. When you choose us, you are choosing a company that values safety, professionalism, and long term service. You can count on our team for every job, every time.

See All Reviews
a year ago

Tonya and her crew were so efficient and kind!

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Angela Cook
a year ago

Thank you for helping us, i love it new AC Daikin . Very smooth and very quiet . Great job. Thanks a lot Tonya and Gaitz teams

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Felix Oo
a year ago

Excellent service, more than knowledge & very honest company!

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Kim Martin
a year ago

Tonya was great and explained everything well. Although might not be the cheapest option the work they did was great and thorough!

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George Mathew
a year ago

Excellent Service provided by Tonya Gaitz. She pick up my call after office hours, came to fix HVAC on urgent basis and charge reasonable. I recommend using Gaitz AC services.

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Sidharth Garg

Financing

All financing is subject to credit approval. Your terms may vary. Payment options through Wisetack are provided by our lending partners. For example, a $1,200 purchase could cost $104.89 a month for 12 months, based on an 8.9% APR, or $400 a month for 3 months, based on a 0% APR. Offers range from 0-35.9% APR based on creditworthiness. State interest rate caps may apply. No other financing charges or participation fees. See additional terms at https://www.wisetack.com/faqs.

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Contact us today

We are committed to providing our customers with the best possible service and products. We use only the highest quality materials and equipment, and our technicians are highly trained and experienced. We offer a variety of financing options to fit your budget, and we stand behind our work with a 100% satisfaction guarantee.

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