NexGen HVAC installs, repairs and tunes heating and cooling systems across the Denver metro — sized to your house, quoted in writing, and done by a local crew. (720) 948-5292 · Mon–Sat 7AM–5PM.
Get a free quoteRight-sized central air with load calculations and ductwork checks. Most failures fixed same visit.
Efficient heating and cooling from one system — a strong fit for Colorado's shoulder seasons.
High-efficiency gas furnaces sized to the home; repairs from ignitors to blower motors.
"Professional, on time with great pricing. I would recommend NexGen HVAC to anyone looking for quality work."
"Mike has great work ethics. He treats his customers with respect and kindness. He does what he says he will do."
"NexGen HVAC installed a rooftop unit for my business. Very reliable, very professional."
Our cooling tune-up starts at $89 (Sample) — coils, refrigerant charge, electrical and airflow, about 60–90 minutes on site.
If the repair costs more than half of a replacement and the system is over 12 years old, replacement usually wins. We show both numbers side by side.
We're based in Aurora and cover the Denver metro: Denver, Boulder, Centennial, Lakewood, Littleton, Arvada and Parker.
Same-day slots for no-heat and no-cool calls, Mon–Sat 7AM–5PM. Standard repairs usually within 1–2 days.
Equipment, labor, permits where needed, old-unit haul-away and thermostat setup — itemized, in writing, approved by you first.
No-heat and no-cool slots held daily. One call puts a tech on your schedule.
CALL (720) 948-5292Demo form — submitting opens your email app. Prefer to talk? Call (720) 948-5292.
Full liability coverage on every job; credentials available on request.
Call → on-site diagnosis → flat written quote → done, tested and hauled away.
Manufacturer training kept current on installed equipment.