HVAC Companies in Houston, Texas

Gaitz HVAC/R offers residential and commercial heating, cooling, refrigeration, and air‑quality services across Houston. Their portfolio includes furnace, heat‑pump, AC, duct cleaning, insulation, generator, and ventilation work, supported by advanced diagnostics and financing options. The company holds a 5‑star rating, A5.0 certification, and a 100% satisfaction guarantee for homeowners and businesses.

Vocational Technical Academy offers 6‑8 week HVAC and Electrical courses with 80% hands‑on training, bilingual instruction, and free books and tools. Graduates earn certificates and can start jobs earning $14‑$22 per hour. The program includes job placement assistance and scholarship options, and students report positive, supportive learning experiences and career‑ready outcomes.

MEPG Green Design & Build offers comprehensive MEP engineering services, including mechanical, electrical, plumbing, and fire protection design. The firm is licensed in all 50 U.S. states, serves major hotel franchises such as Marriott and Hilton, and has completed projects in the U.S., Saudi Arabia, Vietnam, and Myanmar. Clients praise its expertise and reliability.

Texas Institute of Career & Technology offers $999 HVAC and Electrical Technician programs, featuring industry‑experienced instructors, hands‑on training in Houston’s largest HVAC lab, and a 100% job‑placement guarantee. Students gain practical skills, certification, and career support, with recent graduates praised for strong training and real‑world readiness for the workforce today.

American NRG Services delivers precision HVAC solutions across Houston’s upscale neighborhoods, offering custom residential, new‑construction, and commercial projects. Their portfolio includes River Oaks, Memorial, Uptown, and Tanglewood developments. With 35+ years experience, 500+ projects, and a 5‑star rating, they emphasize indoor‑air quality, white‑glove service, and preventative maintenance.

Golden Rule Air Conditioning & Heating offers residential, commercial, and new‑construction HVAC services, including installation, repair, and maintenance. The company holds NATE, BBB, RSES, ACCA, and NCI certifications, and provides financing options. Customers can request service online, view a blog on AC troubleshooting, and access a referral program for savings today.

Custom Controls Company delivers industrial‑grade HVAC solutions, including wall‑mounted, window, and packaged units, plus cabinet coolers and custom systems. Established in 1960, the firm offers explosion‑proof and ATEX‑certified equipment for hazardous environments, serving oil and gas, data storage, communications, and military sectors. Their products meet NEC and IEC standards for safety and reliability.

Kent Refrigeration offers comprehensive refrigeration design, installation, and maintenance for commercial clients, including heavy‑duty walk‑in coolers, freezers, and process units. With over 35 years of experience, the company handles temperature‑controlled storage for meats, poultry, seafood, produce, and pharmaceuticals, and provides 24‑hour emergency service for existing customers.

Castle Vent & Duct offers professional dryer vent and air duct cleaning in Houston, focusing on improving indoor air quality and reducing fire risks. Their services include thorough inspections, debris removal, and system maintenance, with a team of trained technicians. Customer reviews highlight reliable, efficient service and noticeable improvements in home comfort and safety.

Epic Multifamily Construction offers a full range of general contracting services for multifamily properties, including roof repair, siding, concrete, and interior renovations. With over 15 years of Texas experience, the firm emphasizes clear communication, reliable trade partners, and value‑adding amenities. Projects showcase quality craftsmanship and attention to detail for owners and tenants alike.

RJT Construction offers Houston commercial construction with in‑house crews across five core trades—general contracting, roofing, concrete, steel erection, and site work. The firm provides same‑day leak response, 24‑hour service, and a 4.9‑star rating from 113 Google reviews. Clients include Amazon, FedEx, and the City of Houston, and projects span Texas.

713Amazing.com offers Houston homeowners a unified platform for real‑estate transactions, home inspections, tax and business services, and repair coordination. The site features licensed professionals, rapid response, structured documentation, and a client‑benefits program. Users can request services online, access a youth‑development charity, and read 5‑star client reviews for peace of mind today.