Cooling that fades every summer
One floor cool and the other warm usually traces to sizing or ductwork, not the condenser alone. Load calculation and duct check come before any equipment choice.
New central air for Denver homes, sized to the house
AC installation Denver, sized for your home
A new air conditioner has to fit the house it cools. Denver's altitude cuts cooling capacity, the summers run into the 90s, and many homes have ductwork that was built for heating first — so sizing, ductwork and airflow are checked before anything is installed.
Call any time
Call (720) 806-7634
Open 24 hours, 7 days a week. Ring (720) 806-7634, describe the house and the cooling it has today, and the conversation starts there.
Call Now (720) 806-7634 →Phone-only booking — ring to talk the house through.
Sized to the house, not the catalogue.
About this service
AC installation in Denver: what the job involves
Fitting a new central cooling system means four pieces working as one: outdoor condenser, indoor coil, refrigerant lines, and the tie-in to the ducts and thermostat already in the house. Sizing decides whether rooms cool evenly or the unit cycles all summer.
Altitude shapes the job. Summer highs reach the 90s, cooling degree days run only around 750 a year, and air at 5,280 feet trims capacity by roughly a tenth to a seventh. Square-footage sizing fails here — the load gets calculated for the actual house in Denver or Denver.
- ✓Cooling load calculated for the home
- ✓Condenser, coil and refrigerant lines fitted
- ✓Ductwork checked at the unit
- ✓Temperature drop tested room by room
What's included
What an AC installation includes
Equipment, connections, and the tests that prove the house cools evenly — all part of the job.
✓
Cooling load calculation
Windows, orientation, insulation and ceiling height are measured, and the unit is sized to the load that results. Too big short-cycles and leaves air clammy; too small never catches up.
✓
Condenser placed and levelled
The condenser goes on a level pad with clear air around it, away from dryer vents and the worst of the dust. Clearance counts for more in a dry Denver summer than most places.
✓
Indoor coil fitted
The evaporator coil is fitted to the air handler or furnace already there, and the condensate drain is run so water leaves the house instead of collecting in a pan.
✓
Refrigerant lines run and charged
Copper lines go in, get pressure-tested and evacuated, then charged to the maker's figures. A charge set by guess never cools as built.
✓
Ductwork checked at the unit
Where supply and return meet the air handler, joints are inspected and sealed so cooled air reaches rooms rather than the attic.
✓
Full cooling cycle test
Once fitted, the system runs a full cooling cycle and the drop is checked at the coil and at the registers, room by room, before anyone leaves.
How it works
How an AC installation works
01
Call and talk through the house
Ring (720) 806-7634 and describe the cooling you have — or do not have — and the house around it. The conversation covers whether a new system fits and what the work looks like.
02
Visit and cooling load calculation
A visit follows: the existing system and ducts are looked over, the house is measured, and the load calculation is done. You hear which sizes fit and the reasons.
03
Installation day
On installation day the old equipment comes out and is taken away, the condenser and coil go in, lines are run, and the system is pressure-tested, evacuated and charged.
04
Testing room by room
A full cooling cycle runs and the temperature drop is checked at the coil and the registers, so uneven rooms show up that day rather than in July.
05
Walkthrough and paperwork
Martin walks the new system through with you — where the filter lives, how the thermostat works — and a written note of the equipment fitted and the work done stays behind.
Tools & methods
Tools and methods we bring to an installation
Sizing and proof both rest on measurement, from the first visit to the final test. These instruments do the measuring.
Load calculation software
It models cooling load from windows, orientation and insulation, so the size fits the house instead of a square-footage guess.
Manifold gauge set
While the system charges, pressures are read so the refrigerant matches what the maker specifies at Denver altitude.
Vacuum pump
It pulls air and moisture out of the lines before charging. Moisture left inside damages the compressor from within.
Leak detector
It checks every joint once the lines are charged. A system that holds charge on the day holds it through the summer.
Thermometers and temperature probes
The drop is measured at the coil and again at the registers, room by room, as proof the cooling reaches everywhere evenly.
Static pressure gauges
They measure airflow through the ducts so the new system never fights undersized or leaky runs from day one.
Common situations
AC installations we see across Denver
A home with no central cooling
Situation
A brick home in Denver has a furnace and ducts but no air conditioning at all. The family has managed summer with window units and wants whole-home cooling.
What we check
Load calculated for the house, coil fitted to the air handler already there, condenser placed with clear air around it.
An old system that cools unevenly
Situation
In Denver, an old system cools the ground floor and leaves the upstairs warm every afternoon.
What we check
Duct connections and airflow are checked at the unit, the system is sized to the load, and the drop is tested at the registers room by room.
Replacing a failed condenser
Situation
In Denver, the condenser has failed outright and the indoor coil is as old as the unit that fed it.
What we check
Both pieces are replaced together, so the new condenser never has to work against a coil that cannot match it, and the lines are pressure-tested and charged to the maker's figures.
Problems we solve
Signs a home may be ready for new central air
Homeowners weigh a new system when a pattern keeps repeating. These are the patterns that point that way.
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Rooms that never cool evenly
On, off, on again every few minutes wears parts out and leaves air clammy. That short cycling is the classic sign of a unit too large for the house.
A system that runs constantly
A condenser needing a major part every summer, on a system past its working life, costs more in repairs than the pattern justifies. History is weighed against age and condition.
Repeated refrigerant top-ups
Ducts built for heating alone often cannot move enough air for cooling. Supply and return connections are inspected at the unit before the new system is sized.
Proof you can check
Air conditioning installation proof you can check
Around 750 cooling degree days a year shape Denver's cooling season: short, hot, and dry, with summer highs regularly into the 90s — a new system is sized for those weeks, not for an average day.
Customer reviews
What Denver homeowners say
The Google rating for Lion Tech Home Services reads 5.0 stars, drawn from 11 reviews — all of them five stars.
“Martin was great! Timely, knowledgeable, and his experience showed. He was able to fix our HVAC that had been having trouble on and off for awhile. Pricing was good and reasonable! Would certainly recommend!”
Julie — Google review
Through a cooling load calculation: the house is measured — windows, orientation, insulation, ceiling height — and Denver's altitude is counted in. Air at 5,280 feet cuts capacity by roughly 10–15%, so a sea-level size would be wrong here.
Most of it turns on the size the home needs, plus the state of the ducts, the electrical supply and the pad beneath the condenser. A visit and a load calculation come first, and the work is explained before anything is booked.
Often. Where a furnace and ducts already exist, the coil fits to the air handler. Ducts get checked at the unit first, since heating ducts do not always carry enough air for cooling.
The old unit is lifted out and carried away as part of the job. The space is left tidy, and a written note of the new unit and the work done stays with you.
Ready when you are
Thinking about new central air? Call and talk it through
Ring (720) 806-7634, describe the house and the cooling it has today, and the conversation starts from there.
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Request an appointment
Contact Lion Tech Home Services
Lion Tech Home Services, Denver — call (720) 806-7634, open 24 hours.