From a dead furnace in January to a swampy living room in July, Ortega Heating & Air keeps Chattanooga homes comfortable with honest diagnosis, clean work, and techs who actually show up on time.
When the AC quits at 4pm on a 92° Chattanooga afternoon, you don't need a phone tree — you need a real human who answers, gives you a straight price, and shows up ready to fix it.
Ortega Heating & Air is a local HVAC contractor serving Chattanooga, TN and the surrounding ridge-line communities. We install, repair, and maintain furnaces, air conditioners, heat pumps, and ductless mini splits — and we clean and seal the ductwork most companies ignore.
Most calls get a same-week visit. You'll talk to the technician working on your equipment, not a call center. And you'll get a clear answer about what's wrong, what it costs, and whether you actually need it — before anyone picks up a wrench.
Every service below is one we handle end-to-end — diagnosis, repair, replacement, and routine maintenance. Call to talk through your specific situation.
Fast diagnosis and repair for air conditioners that stop cooling, blow warm, short-cycle, or freeze up. We check refrigerant, capacitors, contactors, coils, and airflow before recommending a fix — so you pay to solve the real problem, not the symptom.
Call for AC RepairReplacement and new-system installation for home cooling — sized to your home's actual load, not a guess. We handle condensers, coils, line sets, thermostats, and startup. You get a system that runs quiet, holds temp, and isn't oversized for the house.
Call for AC InstallDiagnosis and repair for furnaces that stop heating, run rough, trip the breaker, or blow cold. We test the igniter, flame sensor, blower, pressure switch, and gas valve, and we'll tell you plainly whether a part fix or a full replacement makes more sense.
Call for Furnace RepairReplacement and installation guidance for new furnaces, sized right and vented right for your home. We walk you through efficiency options, real-world operating costs, and what to expect from the unit over the next — no upsell theater.
Call for Furnace InstallDuctless mini split installation for additions, converted garages, sunrooms, and problem rooms that the main system just can't reach. We size the indoor and outdoor units, run the line sets cleanly, and set you up with quiet, zoned comfort you control independently.
Call for Mini Split InstallRepair and maintenance for residential heat pumps — heating mode, cooling mode, defrost cycles, and the reversing valve that ties them together. If your pump ices up, struggles in cold, or won't switch modes, we'll find out why and get it back to even.
Call for Heat Pump ServiceCleaning for dusty, restricted, and long-neglected duct runs. If you're seeing dust on every surface, dealing with allergy flare-ups, or your system runs but the air feels stale, we clean the full supply and return path — not just the registers you can see.
Call for Duct CleaningSealing leaks and repairing damaged duct runs that quietly cost you comfort and money. Leaky returns pull attic air; leaky supplies dump conditioned air where you'll never feel it. We find the leaks, seal them properly, and rebalance the system.
Call for Duct RepairScheduled maintenance ahead of the heating and cooling seasons. We clean the coils, check refrigerant charge, test safety controls, inspect electrical connections, and catch the small failures that turn into no-heat or no-cool emergencies in the worst week of the year.
Call for a Tune-UpFiltration, humidity, and ventilation improvements for the home — from better filter upgrades and whole-house media filters to dehumidifiers and fresh-air ventilation. We size the solution to the actual problem, not a one-size box off a shelf.
Call for Air Quality“Great experience with the thermostat installation.”
“We've used them twice now, most recently for duct cleaning.”
“Professional from the first phone call.”
“Can't say enough good things.”
We're not a national chain wearing a local name. Ortega Heating & Air is built around four things that matter when your comfort is on the line.
When you call, you reach the person who'll be in your home — not a dispatch script. You get a real diagnosis and a real price, in plain language.
Whether it's a furnace, AC, or mini split, we size equipment to your home's real load — not the biggest unit we can fit on the invoice. Comfort first.
Half the comfort problems in Chattanooga homes aren't the equipment — they're leaky, dirty, or poorly balanced ducts. We handle that too.
Monday-Friday 7:30 AM-5:30 PM; Saturday 9:00 AM-1:00 PM; Sunday closed. No mystery fees, no surprise add-ons after the work starts. You'll know what you're paying for before we begin.
From downtown Chattanooga out to the surrounding communities, Ortega Heating & Air handles heating, cooling, and ductwork for homes across the Tennessee Valley.
Not sure if you're in our range? Call (423) 555-8300 — if we can't get to you, we'll tell you straight, and we won't waste your afternoon.
Fill out the short form and we'll call you back to confirm a time. If it's heating or cooling trouble you can't wait on, call us directly — that's the fastest route to a tech at your door.
Call Direct (423) 555-8300Tell us what's going on. We'll call to confirm a time.