Air Ducts, Air Quality, HVAC Tips
Lewisville, TX
AC and Heating Repair Services in Lewisville, TX
When your HVAC system stops working the way it should, comfort disappears in a matter of hours. Homeowners in Lewisville rely on dependable AC and heating repair services in Lewisville, TX, to stay cool during long summers and warm through colder months. Choosing the right HVAC company ensures your home is safe, comfortable, and energy-efficient.
Client Reviews
What Our Clients Say
Paul Kiron
5 months ago
Nelson is a great guy who works hard
Alan Brown
5 months ago
Outstanding customer service paired with incredible technical knowledge. Team is always amazing - as new team members are added, they always measure up to the previous solution providing team!
Kristina H
6 months ago
Excellent customer services, high quality work for a fair price and the company has ethics. Family owned & operated for 15 years, this is not a corporate company. Lots of HVAC companies in the area so do your research when choosing a company and support local.
Iris Walker
6 months ago
Edward, Eduardo and Nelson were respectful,competent, and good at their jobs. We always use Cold Factor for our HVAC. We had a 20 yr old furnace replaced.
Savannah Alley
7 months ago
Nelson Rivas was SO helpful and very friendly. Would recommend him to anyone having issues with their AC. Hopefully I don’t have any problems in the future, but if I do, he will be the first person I call! :-)
Jason Walter
8 months ago
Nelson was great and personable.

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HVAC Services
Indoor Air Quality Solutions
Comfort isn’t just about temperature. Clean air is equally important. Dust, pollen, and allergens often circulate through HVAC systems if ducts aren’t maintained.
Our professional services may include:
- Air duct cleaning to reduce allergens and buildup
- Filter replacements for healthier airflow
- System inspections to ensure clean distribution of air

Why Choose a Local HVAC Company in Lewisville, TX
A local team knows what Lewisville homes are actually built like, from the newer subdivisions off Custer Road to the older housing near the historic downtown square. That matters when sizing equipment or tracing why one part of a house never gets warm.
It also means shorter drive times when a system fails. Cold Factor works out of Roanoke and Flower Mound and covers Lewisville alongside Frisco, Plano, Allen and the surrounding North Dallas communities.
AC Repair and Maintenance
We'll be at your location right away to diagnose and repair any residential or commercial AC problem, big or small.
AC Installation and Replacement
When it's time for a new system, our experts handle the full installation or replacement for your home or business with a workmanship guarantee.
Ductless AC Systems
We install and service ductless mini split systems to give you zone-controlled cooling without the need for traditional ductwork.
Heating Installation
When you need a new heating system, our team handles the full installation quickly and cleanly with a workmanship guarantee.
Heating Repair
We diagnose and repair all makes and models of heating systems to get your home back to a comfortable temperature fast.
HVAC Installation
Our trained experts handle complete HVAC system installations for residential and commercial properties, backed by a workmanship guarantee.
HVAC Repair
We diagnose and repair HVAC issues fast, with same-day and after-hours service available to get your system back up and running.
Indoor Air Quality
We offer a full range of indoor air quality solutions including filtration, purification, and ventilation to protect your family's health.
Air Conditioning
We service all major AC brands and offer a full range of cooling solutions to keep your home or business comfortable year-round.
Air Duct Cleaning
We clean residential and commercial air ducts to improve indoor air quality and keep your HVAC system running efficiently.
Air Filtration Systems
We install and service whole-home air filtration systems to remove dust, allergens, and contaminants from the air you breathe.
Air Purifiers
Our team installs advanced air purification systems that eliminate bacteria, mold, and airborne pollutants for cleaner, healthier indoor air.
Ductwork Installation and Replacement
Our trained HVAC team designs and installs new ductwork for any home or business, ensuring proper airflow and maximum system efficiency.
Ductwork Repair
We diagnose and repair damaged, leaking, or sagging ductwork to restore efficiency and consistent airflow throughout your home.
Furnaces
We service and install all major furnace brands to keep your home warm and running efficiently through every North Texas winter.
Heat Pumps
Our experts install, repair, and maintain heat pump systems that provide efficient heating and cooling in a single unit.
Heating
We offer comprehensive residential and commercial heating services to keep your home or business warm and comfortable all season long.
Home Automation
We install and program smart home automation systems so you can control your HVAC, lighting, security, and more from any device.
Humidifiers and Dehumidifiers
We install whole-home humidifiers and dehumidifiers to balance indoor moisture levels for improved comfort and better indoor air quality.
HVAC
We service all major HVAC brands and offer a full range of heating, cooling, and ventilation solutions for homes and businesses.
IAQ Testing and Analysis
We test your home's indoor air quality and provide a full analysis with recommendations to help you breathe cleaner, healthier air
Mini Split Systems
We install and service ductless mini split systems for efficient, zone-controlled comfort in any room or space without traditional ductwork.
Heating and Cooling Services We Provide
A lot of people forget their AC exists, that is until there’s some kind of problem. An unexpected lack of cold air, big hikes on your energy bill, or strange sounds coming from your unit - your AC problems come in a wide variety, which is why Cold Factor offers an equally wide range of flexible, common sense fixes for your AC service and maintenance problems.
- Furnace and heat pump repair, including no-heat calls on cold mornings
- AC repair and maintenance for the summer months
- Heating and AC installation when a system reaches end of life
- Recurring maintenance plans covering both seasons
- Indoor air quality solutions including filtration and duct cleaning
- Emergency service when a system fails outside business hours
FAQs
FAQs About HVAC Repair in Lewisville
How often should I schedule AC maintenance?
We recommend one professional tune-up before summer for cooling and a second before heating season. Systems that run in both modes benefit from being checked ahead of each demand period rather than once a year.
Why is my AC blowing warm air?
This could be due to refrigerant leaks, electrical issues, or a failing compressor. A professional inspection will pinpoint the problem.
What are the signs that my AC needs repair?
Uneven cooling, strange sounds, unpleasant odors, frequent cycling, or unusually high energy bills are all signs it’s time for service.
Can maintenance really extend my AC’s lifespan?
Yes. Regular maintenance reduces wear and tear, improves efficiency, and helps your unit last several years longer.
Why is my furnace blowing cold air?
Common causes include a thermostat set to Fan rather than Heat, a clogged filter restricting airflow, a pilot or ignition fault, or an oversized system short-cycling. If the furnace runs but never warms the house, book a heating inspection before the next cold front arrives.









