HVAC Contractors in Denton County, TX

HVAC contractors install, repair and maintain the heating, ventilation and air conditioning equipment that keeps your home comfortable. They work on furnaces, air conditioners, ductwork, thermostats and ventilation, and help size replacement systems.

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Common HVAC services include:

  • Furnace and air conditioner repair
  • Seasonal tune-ups and maintenance plans
  • Replacing furnaces, AC units and air handlers
  • Ductwork repair, sealing and installation
  • Thermostat and ventilation upgrades

Call an HVAC contractor when your system stops heating or cooling, runs constantly, makes new noises, or your energy bills jump. Heat pump installation and air duct cleaning also have their own categories.

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Top Professionals near Denton County, TX

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Hesse AC and Heat

Hesse AC and Heat

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Plano, TX HVAC Contractors

Hesse Air Conditioning & Heating is a family-owned and operated HVAC contractor based in Plano, TX, serving Plano and the surrounding areas with residential heating and cooling services. Hesse Air provides air conditioning and heating installation, maintenance, and repairs for all major brands, offers financing options, and emphasizes personalized customer service backed by high customer ratings and bilingual (Se habla Español) support. The company advertises licensed service (TACLB95095C), accepts major credit cards, and focuses on fast, reliable local service with a reputation built on responsive workmanship and customer satisfaction.

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Milestone Electric, A/C, & Plumbing

Milestone Electric, A/C, & Plumbing

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Irving, TX HVAC Contractors

Milestone Electric, A/C, & Plumbing (operating from callmilestone.com) is a locally owned, family-operated North Texas home-services company founded in 2004 that offers residential and commercial HVAC, plumbing, and electrical services including installation, repair, maintenance, indoor air quality, drain cleaning, attic insulation and membership/maintenance plans; Milestone emphasizes 24/7 availability, a 100% satisfaction guarantee and price-match protection, serves many locations across the Dallas–Fort Worth area from multiple local offices, and promotes a community-focused mission built on family values and trust.

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North Tarrant Heating & Air Conditioning LLC

North Tarrant Heating & Air Conditioning LLC

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Fort Worth, TX HVAC Contractors

North Tarrant Air Conditioning is a company specializing in heating, ventilation, and air conditioning (HVAC) services. The company provides installation, repair, and maintenance solutions for residential and commercial clients to ensure comfortable indoor environments. North Tarrant Air Conditioning focuses on delivering reliable and efficient climate control systems tailored to the specific needs of its customers. The company emphasizes quality workmanship, timely service, and customer satisfaction to maintain optimal air quality and energy efficiency in homes and businesses.

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One Hour Air Conditioning & Heating of Dallas

One Hour Air Conditioning & Heating of Dallas

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Carrollton, TX HVAC Contractors

One Hour Air Conditioning & Heating is a Dallas–Fort Worth HVAC provider serving residential and commercial clients since 1988, offering installation, repair, and maintenance for air conditioning, heating, heat pumps, geothermal systems, indoor air quality equipment, and related services such as dehumidifiers, air handlers, thermostat installation, emergency HVAC repair, and membership/financing options; One Hour Air Conditioning & Heating operates from a Carrollton/Richardson area office, provides 24/7 service, is licensed (TACLB008874C), and focuses on fast response, trained technicians, and improving comfort and energy efficiency while maintaining clear customer communication.

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Triple A

Triple A

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Denton, TX HVAC Contractors

Triple A AC, Heating, & Plumbing is a Flower Mound, Texas–based HVAC and plumbing company serving Flower Mound, Denton and the broader Dallas–Fort Worth area; Triple A AC, Heating, & Plumbing provides residential and commercial air conditioning and heating services (installation, maintenance, repair, heat pump and ductless mini-split work), comprehensive plumbing services (drain cleaning, sewer repair/replacement, water heaters, gas lines, whole-home repipes and more), indoor air quality solutions, financing options and service guarantees, and the company emphasizes a multi-generation family legacy, licensed and background-checked technicians, same-day service, free estimates for installations and customer satisfaction backed by phone support at 469-444-9383.

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Heating and Air Conditioning Questions and Answers

What does an HVAC contractor do?

An HVAC contractor installs, repairs and maintains heating and cooling systems, including furnaces, air conditioners, air handlers, ductwork and thermostats. They diagnose problems, perform seasonal maintenance and size replacement equipment for the home.

When should I repair or replace my heating or cooling system?

Repairs often make sense for a newer system with a single failed part. Replacement is worth discussing when equipment is older, needs frequent repairs, uses a phased-out refrigerant, or no longer keeps the home comfortable. Ask the contractor to compare both options in writing.

How do I choose an HVAC contractor?

Look for a contractor who performs a load calculation before recommending new equipment, explains options clearly and provides written estimates and warranty terms. Ask whether technicians who handle refrigerant hold EPA Section 608 certification and whether local licensing or permits apply.

What affects the cost of HVAC work?

Repair costs depend on the part and diagnostic time. Replacement depends on equipment type, capacity and efficiency, ductwork changes, electrical or gas work, and local permit requirements. Maintenance plans, rebates and the season you schedule in can also affect the total.

How should I prepare for an HVAC service visit?

Clear access to the furnace or air handler, the outdoor unit and the thermostat, and replace or check the air filter if you can. Note what the system is doing, such as noises, short cycling or uneven temperatures, and when the problem started.