We Make Your Air Better
HVAC Service in Tyler, TX & East Texas
When you need dependable heating and cooling service in Tyler, Texas and the surrounding East Texas communities, 903 HVAC is the team you can count on. With over 40 years of hands-on experience, we have built our reputation on honest work, fair treatment, and results that last. As a woman-owned business led by Larry and Karen Lacaze, we take personal pride in every job we complete - from a simple tune-up to a full system replacement.
Our headquarters are located at 13872 FM 14 in Tyler, TX 75706, and we proudly serve homeowners and businesses throughout the region. Whether you live right here in Tyler or in one of the surrounding communities we cover, you will receive the same high level of care and craftsmanship that has defined our company for four decades. We hold Texas HVAC License TACLB#39819E, we are BBB Accredited, and we are proud members of the Lindale Chamber of Commerce. As an American Standard Customer Care Dealer, we bring factory-trained expertise to every project.
Our slogan says it all: "We Make Your Air Better." That is not just a tagline - it is a commitment we deliver on every single day across East Texas.
Book Your HVAC AppointmentProudly Offering Discounts for Veterans, First Responders, Healthcare Workers, and Teachers
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Enjoy Flexible Financing with Synchrony
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Comprehensive Service
Heating & Cooling Services Across East Texas
903 HVAC is proud to serve a wide area across East Texas, bringing professional HVAC solutions to families and businesses in multiple communities. From the heart of Tyler to the lakefront properties of Holly Lake Ranch and Emerald Bay, our experienced technicians travel the backroads and FM highways of this region every day.
We understand the unique climate challenges that East Texas homeowners face. Our long, hot, and humid summers push cooling systems to their limits, while our mild winters - punctuated by the occasional hard freeze - demand reliable heating you can trust when temperatures drop unexpectedly. The combination of heat, humidity, and allergens in our region makes indoor air quality a year-round concern for every household.
Complete HVAC Services
- Central Air Conditioning - Installation & replacement, repair & service, and maintenance & tune-ups
- Ducted Heat Pumps - Installation & replacement, repair & service, and maintenance & tune-ups
- Ductless Mini-Splits - Installation & replacement, repair & service, and maintenance & tune-ups
- Furnaces - Installation & replacement, repair & service, and maintenance & tune-ups
- Package Units - Installation & replacement, repair & service, and maintenance & tune-ups
- Indoor Air Quality - Air filtration & air cleaners, UV lights, and humidifier & dehumidification using Active Gold by DustFree products
- Mobile & Modular Home HVAC - Heating and air conditioning designed for manufactured housing
- Blown-in Insulation - Boost energy efficiency and comfort in any home
- Sheet Metal Fabrication - Custom ductwork, fittings, and transitions crafted in-house
- Light Commercial Rooftop Units - RTU installation, repair, and maintenance for businesses
Ready to Get Started?
Schedule Your HVAC Service in East Texas Today
Do not wait until your system breaks down on the hottest day of summer or the coldest night of winter. 903 HVAC makes it easy to get the help you need, when you need it.
We serve homeowners and businesses across Tyler, Lindale, Holly Lake Ranch, Chandler, Emerald Bay, Whitehouse, and the surrounding East Texas communities.
Our Service Area
Communities We Proudly Serve
Tyler, TX - Our Home Base
Tyler is where it all started for 903 HVAC. Our office at 13872 FM 14 sits right in the heart of the community we have served for over 40 years. As the largest city in Smith County and the hub of East Texas, Tyler is home to tens of thousands of families who depend on reliable heating and cooling to stay comfortable year-round.
Learn MoreLindale, TX - A Community We Call Our Own
903 HVAC is a proud member of the Lindale Chamber of Commerce, and our connection to this community runs deep. Lindale has experienced steady growth in recent years, and with that growth comes increased demand for professional HVAC services that homeowners can rely on.
Lindale ServicesHolly Lake Ranch, TX - Lakeside Comfort Solutions
Holly Lake Ranch is one of East Texas's most popular lakefront communities, and the homes here have their own set of HVAC needs. Lake-area properties often deal with elevated humidity levels that can stress air conditioning systems and create indoor air quality challenges.
Holly Lake Ranch ServicesChandler, TX - Reliable Service for a Growing Community
Chandler sits south of Tyler and serves as a gateway to the lake communities of East Texas. This growing town is home to families, retirees, and small business owners who all share one thing in common - they need HVAC systems that work reliably in the challenging East Texas climate.
Chandler ServicesEmerald Bay, TX - Premium Comfort for Lakefront Living
Emerald Bay is a distinctive lakeside community near Chandler, known for its beautiful homes and resort-style atmosphere. Homeowners in Emerald Bay understand the value of comfort, and that starts with an HVAC system that performs flawlessly in every season.
Emerald Bay ServicesWhitehouse, TX - Trusted HVAC for Your Family
Whitehouse is a family-friendly community just south of Tyler that has seen significant residential growth in recent years. New construction and established homes alike need HVAC systems that can handle the demands of East Texas weather, and 903 HVAC is here to deliver.
Whitehouse ServicesHawkins, TX HVAC Service
Hawkins sits in Wood County northeast of Tyler, and its homes face the same demanding East Texas cooling season and winter cold snaps as the rest of the region. 903 HVAC delivers honest heating and cooling service to the Hawkins community.
Hawkins ServicesMineola, TX HVAC Service
The historic town of Mineola in Wood County has many established and older homes that need careful, experienced HVAC service. 903 HVAC provides reliable air conditioning, heating, and indoor air quality service across Mineola.
Mineola ServicesGladewater, TX HVAC Service
The Gem City of East Texas, Gladewater straddles the Gregg and Upshur County line and includes many older and historic homes. 903 HVAC brings four decades of experience to heating and cooling service in Gladewater.
Gladewater ServicesBullard, TX HVAC Service
Bullard sits on the Smith and Cherokee County line just south of Tyler, between the city and the Lake Palestine markets. 903 HVAC delivers honest air conditioning, heating, and indoor air quality service across the Bullard community.
Bullard ServicesFlint, TX HVAC Service
Flint lies between Tyler and Bullard along the east shore of Lake Palestine in Smith County. 903 HVAC provides reliable heating, cooling, and indoor air quality service to Flint homeowners.
Flint ServicesYour Trusted Partner
Why East Texas Homeowners Choose 903 HVAC
Choosing an HVAC contractor is an important decision. You are inviting someone into your home and trusting them with the comfort and safety of your family. Here is why thousands of East Texas homeowners have put their trust in 903 HVAC:
40+ Years of Experience
We have been solving HVAC challenges across East Texas for over four decades. That depth of experience means we have seen and solved virtually every heating and cooling problem that can arise in this region.
Woman-Owned Business
As a woman-owned company led by Larry and Karen Lacaze, we operate with integrity, accountability, and a personal touch that larger companies simply cannot match.
Licensed and Insured
We hold Texas HVAC License TACLB#39819E, so you can rest assured that our work meets or exceeds all state requirements.
BBB Accredited
Our Better Business Bureau accreditation reflects our commitment to ethical business practices and customer satisfaction.
Lindale Chamber Member
We are active members of the local business community, invested in the growth and well-being of East Texas.
American Standard Customer Care Dealer
This designation means we have met rigorous standards for training, customer satisfaction, and business practices. Learn more about our American Standard partnership.
Honest, Transparent Service
We explain what we find, present your options clearly, and never pressure you into services you do not need.
Financing Your Investment
Financing Your HVAC Investment
We understand that HVAC installations and major repairs represent a significant investment. That is why we have partnered with Synchrony Financial to offer flexible financing options that fit your budget. Do not let cost concerns keep you from the comfort you deserve.
Explore Financing OptionsProtect Your Investment
Essential Comfort Plan
Regular maintenance is the single most effective way to extend the life of your HVAC system, prevent unexpected breakdowns, and maintain peak energy efficiency. Our Essential Comfort Plan is a residential maintenance program designed to give you peace of mind and keep your system running at its best.
- 2 Visits per Year (Spring and Fall)
- Priority Service
- 10% Discount on Parts and Service
- Multipoint Inspection
Special Discounts for Those Who Serve
903 HVAC is honored to offer special discounts to the men and women who serve our community:
Veteran Discount
Thank you for your service to our country
First Responder Discount
For the heroes who keep us safe every day
Healthcare Workers Discount
For those who care for our community's health
Teacher Discount
For the educators who shape our future
Visit our specials and coupons page for current offers, or mention your eligibility when you book your appointment.
Equipment We Trust
Brands We Trust to Serve East Texas
We are selective about the brands we recommend because our reputation depends on the equipment we install. Every product we offer has been tested in the field and proven to deliver reliable performance in the East Texas climate.
American Standard
Customer Care Dealer
As a Customer Care Dealer, we offer the full lineup of American Standard heating and cooling equipment. From high-efficiency air conditioners to variable-speed heat pumps, furnaces, and package units, American Standard delivers the quality and reliability our customers expect.
Learn More About American StandardSamsung
Ductless Mini-Splits
For ductless mini-split systems, we trust Samsung to deliver exceptional comfort with industry-leading efficiency. Mini-splits are ideal for room additions, garages, workshops, and homes without existing ductwork.
Learn More About SamsungActive Gold by DustFree
Indoor Air Quality
Our indoor air quality solutions feature Active Gold by DustFree products, including advanced air filtration, UV light purification, and humidity control systems.
Learn More About Active GoldOur Customer Reviews
Answering Your Questions
Frequently Asked Questions
We are based in Tyler, TX and proudly serve the surrounding East Texas communities including Lindale, Holly Lake Ranch, Chandler, Emerald Bay, and Whitehouse. If you are located in the greater East Texas area, call us at 903-393-1044 to confirm we can reach you.
Because our office is centrally located in Tyler at 13872 FM 14, we can typically reach most communities in our service area promptly. Response times vary based on demand, but we prioritize urgent situations like complete system failures, especially during extreme heat or cold.
We understand that HVAC emergencies do not follow a convenient schedule. If your system goes down unexpectedly, call us at 903-393-1044 and we will work to get you back up and running as quickly as possible.
We are an American Standard Customer Care Dealer, which means we offer the complete lineup of American Standard heating and cooling equipment. For ductless mini-split systems, we install and service Samsung products. Our indoor air quality solutions feature Active Gold by DustFree products.
Yes. We hold Texas HVAC License TACLB#39819E and carry full insurance coverage. We are also BBB Accredited and a member of the Lindale Chamber of Commerce.
Yes. We have partnered with Synchrony Financial to offer flexible financing options that make it easier to invest in a new HVAC system or major repair. Visit our financing page for more details.
Our Essential Comfort Plan is a residential maintenance program designed to keep your HVAC system running efficiently and help prevent unexpected breakdowns. It includes regular tune-ups and inspections to extend the life of your equipment.
Yes. We offer specialized heating and air conditioning services for mobile and modular homes. These homes have unique HVAC requirements, and our 40+ years of experience includes extensive work on manufactured housing.
East Texas has high humidity levels, significant pollen counts, and mold-friendly conditions that can all affect indoor air quality. Our indoor air quality services featuring Active Gold by DustFree products help filter contaminants, reduce biological growth, and control humidity inside your home.
Yes. We offer special discounts for veterans, first responders, healthcare workers, and teachers. Visit our specials and coupons page or mention your eligibility when booking service.
Absolutely. You can schedule your appointment online through our Housecall Pro booking system anytime, or call us at 903-393-1044 during business hours.
Yes. We provide light commercial rooftop unit (RTU) services including installation, repair, and maintenance for businesses across East Texas. We work with restaurants, offices, retail stores, warehouses, and more.
903 HVAC We Make Your Air Better
You deserve an HVAC contractor who knows East Texas - the climate, the homes, the people, and the challenges that come with living in this beautiful part of the state. 903 HVAC has been that contractor for over 40 years, and we are ready to put our experience to work for you.
Whether you need a brand-new American Standard air conditioning system installed in your Tyler home, a furnace repair in Lindale, a ductless mini-split for your lake house in Holly Lake Ranch, or routine maintenance on your package unit in Chandler - we have you covered. Our team handles everything from emergency repairs to planned replacements, and we do it all with the care and attention that comes from being a local, woman-owned business invested in this community.
We believe every family in East Texas deserves to come home to clean, comfortable air - regardless of the season. From the hottest July afternoon when temperatures push past 100 degrees to those surprise January cold snaps that send everyone scrambling for the thermostat, 903 HVAC makes sure your system is ready.
Our commitment to quality extends beyond the equipment we install. As an American Standard Customer Care Dealer, we have met and exceeded the highest standards in the industry for training, customer satisfaction, and business practices. Our BBB accreditation and Lindale Chamber of Commerce membership reflect our investment in the communities we serve. And our flexible financing through Synchrony Financial means that budget concerns never have to stand between you and the comfort your family needs.
We also believe in rewarding the people who make our community strong. Our special discounts for veterans, first responders, healthcare workers, and teachers are our way of saying thank you to those who give so much.
Do not settle for a contractor who treats you like just another number. With 903 HVAC, you get a team that knows your name, understands your home, and takes personal responsibility for your comfort. That is the difference 40+ years of woman-owned, family-values-driven service makes.
AC Services
Heating Services
Indoor Air Quality
Maintenance Plans
Commercial RTU
We are located at 13872 FM 14, Tyler, TX 75706, and we proudly serve Tyler, Lindale, Holly Lake Ranch, Chandler, Emerald Bay, Whitehouse, and the surrounding East Texas communities. Let us show you why we say, "We Make Your Air Better."
