Same-Day Service
Most service calls handled same-day across the Denver metro — and we answer the phone 24/7.
Denver's Trusted Replacement Specialists
When It's Time for a New Air Conditioner, Done Gets It Done Right
Replacing a central air conditioner is one of the larger home improvement investments you’ll make, and the wrong choice — wrong size, wrong efficiency rating, wrong contractor — can cost you for years. Done has been helping Denver metro homeowners navigate that decision since 1999. We don’t push the most expensive unit or the one with the best margin. We assess your home’s actual load requirements, explain your efficiency options in plain language, and recommend a system that fits both your house and your budget. Flexible financing is available so a failed system doesn’t have to mean a financial crisis. From brand selection through final system commissioning, our licensed installation teams handle everything — and we stand behind the work after the truck leaves your driveway.
- Proper Load Calculation We size your new system using Manual J load calculations — not guesswork — so you're never stuck with an oversized unit that short-cycles or an undersized one that can't keep up.
- High-Efficiency Options We install systems ranging from solid entry-level units to high-SEER2 variable-capacity models that dramatically cut monthly cooling costs.
- Financing Available Don't let an unexpected replacement break your budget. Done offers financing options so you can get the right system today and pay over time.
Is It Time to Replace?
Signs Your AC Has Reached the End of Its Life
Repairs make sense when a system has useful life left. These signs suggest you're past that point — and that continuing to repair is throwing good money after bad.
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System Is 15+ Years Old
A well-maintained central AC typically lasts 15 to 20 years in Colorado's climate. Beyond that, efficiency drops significantly and the risk of costly failures rises sharply.
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Frequent, Expensive Repairs
If you've spent more than half the cost of a new system on repairs in the past few years, replacement is almost always the smarter financial decision.
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Rising Energy Bills
An aging system works harder to deliver the same cooling, and that shows up on your Xcel bill every month. A modern high-SEER2 unit can cut cooling energy use substantially.
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Uneven Cooling Throughout the Home
Hot spots, rooms that never cool down, or humidity that feels out of control often point to a system that's undersized, degraded, or failing — not just a thermostat issue.
What We Install
AC Replacement Options We Offer in the Denver Metro
Every home is different, and Done installs the full range of modern cooling systems so we can match the right equipment to your specific situation — not just what happens to be on the truck.
- Central Air Conditioner Replacement Standard split-system AC replacement using your existing ductwork. We carry multiple efficiency tiers from reliable entry-level to premium variable-capacity units.
- Heat Pump Installation A heat pump handles both cooling and heating from a single system — an increasingly smart choice for Denver's climate and rising gas costs.
- Ductless Mini-Split Systems For additions, finished basements, or homes without existing ducts, ductless mini-splits deliver precise, efficient cooling without major construction.
- Duct Inspection & Upgrades A new AC paired with leaky or undersized ducts won't perform as designed. We inspect and repair or replace ductwork as part of a complete replacement when needed.
Our Replacement Process
How Done Handles Your AC Replacement — Start to Finish
We've streamlined the replacement process so there are no surprises, no pressure, and no wondering what happens next.
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In-Home Assessment & Load Calculation
A Done comfort advisor visits your home, evaluates your existing system and ductwork, and performs a proper load calculation to determine exactly what size system your home requires.
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Clear Options — No Pressure
We present you with a small number of well-matched options at different price and efficiency points, explain the tradeoffs in plain language, and let you decide. No high-pressure upsell tactics.
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Professional Installation by Our Own Team
Our licensed installation crews handle the removal of your old system, installation of the new equipment, refrigerant charging, and all electrical connections — to manufacturer specs and local code.
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Full System Commissioning & Walkthrough
Before we leave, we verify refrigerant charge, airflow, thermostat operation, and system temperatures. We walk you through the new equipment and answer any questions you have.
Current Specials
Save on the work your home needs most.
Why Choose Done
Upfront Pricing
Flat-rate pricing approved before work begins — no surprises on the invoice.
Licensed & Insured
Fully licensed, bonded, and insured — plumbing, HVAC, and electrical under one roof.
Satisfaction Guaranteed
If it isn't right, we make it right — backed by our workmanship guarantee.
Ready to Stop Patching an Old System?
Schedule a no-pressure AC replacement assessment. Financing available — one call and it's done.
What Our Customers Say
Don't just take our word for it — hear from our satisfied customers
★★★★★
I have used Done! Plumping many and do not ever use anyone else this particular visit was as always top notch in every way. DJ did an amazing job of explaining what was wrong and all of my options. He then did a really good job of explaining the pros and cons of each option. He truly heard any and all concerns I had and helped me to work through those concerns. He then listened to my questions and answered every question in detail while at no point making me feel like they where silly or repetitive questions. Finally after my decision was made he did a great job of telling me what would happen and what to expect. Last of all DJ made sure to review the ways I could save money and still resolve my issues. And the end of the job he should what he had done and left me feeling like I had received a great value for my money.
Had a visit today from. Jay for ac issue. Jay was great very informational and helpful answer all my questions and made sure I understood everything.
Had a visit today from. Jay for ac issue. Jay was great very informational and helpful answer all my questions and made sure I understood everything.
★★★★★
I moved into a new home recently, and after I got back from a long trip found that my A/C wouldn't turn on. I called a different company first, and the technician who came out refused to go up into the attic! He diagnosed the problem from the ground floor and told me I'd need a new motor blower installed.
So after that I called Done Plumbing & Heating, and they had a tech out the same day to actually inspect my problem. Turns out it was just that a little door on the furnace hadn't been screwed on properly (probably during the home inspection?). Literally within 2 minutes of Jamey going up the ladder into the attic, the A/C was back on and working like a dream. He only charged me $40, when I was thinking I'd be lucky to get things running for $1000! What a relief!
It's really wonderful to work with a company that has integrity, and I'll be using Done Plumbing & Heating very soon again without hesitation. I should have called them first!
So after that I called Done Plumbing & Heating, and they had a tech out the same day to actually inspect my problem. Turns out it was just that a little door on the furnace hadn't been screwed on properly (probably during the home inspection?). Literally within 2 minutes of Jamey going up the ladder into the attic, the A/C was back on and working like a dream. He only charged me $40, when I was thinking I'd be lucky to get things running for $1000! What a relief!
It's really wonderful to work with a company that has integrity, and I'll be using Done Plumbing & Heating very soon again without hesitation. I should have called them first!
Maintenance Membership
Join the Care Club
Total home service care, on a schedule.
Members get priority scheduling, seasonal HVAC tune-ups, an annual plumbing & electrical safety inspection, and exclusive discounts — for less than the cost of a single emergency call.
- Priority scheduling
- Seasonal HVAC tune-ups
- Annual safety inspection
- Exclusive member discounts
- Free dispatch on repairs
- No long-term contracts
Frequently Asked Questions
How do I know what size AC I actually need?
Sizing is determined by a Manual J load calculation that accounts for your home’s square footage, insulation, window area, ceiling height, and local climate data — not a rule of thumb based on square footage alone. Oversized systems short-cycle and leave homes humid; undersized systems run constantly and can’t keep up on the hottest days. Done performs this calculation on every replacement job.
What SEER2 rating should I look for in a new AC?
SEER2 is the current efficiency rating standard for air conditioners. Higher numbers mean lower operating costs. The right rating for your home depends on how many months you run AC, your current energy bills, and how long you plan to stay in the home. We’ll help you calculate the payback period on higher-efficiency options so you can make an informed decision rather than guessing.
Are there rebates or tax credits available for a new AC in Colorado?
Yes, depending on the equipment and your utility provider. Xcel Energy offers rebates on qualifying high-efficiency systems, and federal tax credits may apply to certain heat pump installations under current law. We’ll let you know what incentives apply to the equipment you’re considering — just confirm details with your tax advisor since program terms change.
Does Done offer financing for AC replacement?
Yes. We offer flexible financing options so an unexpected replacement doesn’t have to derail your budget. Ask your comfort advisor about current terms when we visit — we’ll walk you through what’s available and help you find a payment plan that works for your situation.
*Offers cannot be combined with other promotions or applied to dispatch fees. No cash value. Must present offer at time of service. Call for details.
