01 · Cooling
AC installation
Right-sized central air with load calculations and ductwork checks in every bid.
Free install quotes
The fine print, large
Everything
the poster hid
You erased the poster — good. Here's what's underneath: the services, the numbers and the quote form. Still NexGen HVAC, still (720) 948-5292.
02 · Cooling
AC repair
Capacitors, contactors, refrigerant leaks, frozen coils — most fixed same visit.
Diagnostic $79 (Sample)
03 · Cooling
AC tune-up
Coils, charge, electrical, airflow. 60–90 minutes that prevent July surprises.
From $89 (Sample)
04 · Year-round
Heat pumps
Efficient heating and cooling from one system, serviced year-round.
Free install quotes
05 · Heating
Furnace install & repair
High-efficiency gas furnaces sized to the home; ignitors to blower motors.
Tune-up from $99 (Sample)
06 · Zoned
Mini-splits
Room-by-room comfort for additions, garages and basements. No ducts needed.
Free install quotes
07 · Air
Indoor air quality
Filtration, humidity and ventilation upgrades for cleaner indoor air.
Ask for options
08 · Controls
Smart thermostats
Installed and set up correctly — wired, paired and programmed for savings.
From $149 installed (Sample)
No heat? No cool?
Same-day slots held daily for emergencies, Mon–Sat 7AM–5PM. One call puts a tech on your schedule.
CALL (720) 948-52928
Core services
8
Towns served
6
Days open / week
1
Written quote / job
Reviews
"Professional, on time with great pricing. I would recommend NexGen HVAC to anyone looking for quality work."
— Customer review · 5/5"Mike has great work ethics. He treats his customers with respect and kindness. He does what he says he will do."
— Customer review · 5/5"NexGen HVAC installed a rooftop unit for my business. Very reliable, very professional."
— Customer review · 5/5FAQ
How much does an AC tune-up cost?
Our cooling tune-up starts at $89 (Sample) — coils, refrigerant charge, electrical and airflow.
Repair or replace?
If the repair tops half the replacement cost and the system is past 12 years, replacement usually wins. We show both numbers.
Which towns do you cover?
Aurora, Denver, Boulder, Centennial, Lakewood, Littleton, Arvada and Parker. Nearby? Ask.
How fast can you come?
Same-day slots for no-heat and no-cool calls, Mon–Sat 7AM–5PM.
Is the quote free?
Yes — written, flat and itemized, approved by you before work starts.
Free quote
Get your
number
Demo form — submitting opens your email app. Prefer to talk? Call (720) 948-5292.
Licensed & insured
Full liability coverage on every job; credentials available on request.
How we work
Call → on-site diagnosis → flat written quote → done, tested, hauled away.
Certifications
Manufacturer training kept current on installed equipment.
Certification badge
Service area
AuroraDenverBoulderCentennialLakewoodLittletonArvadaParker