When winter rolls into Gregg County, you need dependable heat. Our NATE-certified HVAC techs install furnaces, heat pumps and boilers—handling gas line hookups, ductwork integration and thermostat programming—so you stay cozy all season.
Professional heating installation covers siting and commissioning of a new furnace, heat pump or boiler—sized per your home’s AFUE (Annual Fuel Utilization Efficiency) requirements and local building codes in Longview and surrounding East Texas markets.
We perform Manual J® sizing to determine ideal capacity and system type.
Choose furnace AFUE (80–98%), heat pump HSPF (8–10+) or boiler efficiency ratings.
Install, plumb gas lines, integrate ductwork and program smart thermostats.
Test flame sensors, heat exchangers and airflow; provide user training on controls.
At All Seasons Heating & Air Conditioning, we’re proud to serve homeowners and businesses across Longview, TX and the surrounding areas. Whether you need fast A/C repair, reliable heating installation, or seasonal maintenance, our team is here to help.
We’re 5-star rated, A+ BBB accredited, and committed to honest, upfront pricing with 100% satisfaction guaranteed. Let us help you keep your home comfortable year-round.
Give us a call or fill out our quick online form. We’ll listen to your needs, answer your questions, and schedule a time that works for you.
Our technicians assess your current system and home needs to provide honest, straightforward options that fit your budget and goals.
Once you’re ready, we handle everything from equipment delivery to professional installation—quick, clean, and done right the first time.
Most furnace installs finish in one day; heat pumps or multi-zone systems may take 2–3 days.
Yes—our team pulls all county and city permits and coordinates inspections.
We inspect and seal your ducts; in many cases they’re reusable with minor modifications.
We offer programmable and smart thermostats (e.g., Nest, Ecobee) that integrate with your HVAC.
Need a new unit that actually keeps up with Texas heat? We’ll install the right system for your home.
Tired of surprise breakdowns or high energy bills? Regular maintenance keeps your system running strong.
A/C quit in the middle of the night? Don’t sweat it. We’re available when you need us most.
Need a new unit that actually keeps up with Texas winters? We’ll install the right system for your home.
Tired of surprise breakdowns or high energy bills? Our expert team keeps your heat pump running efficiently.