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															When your cooling system breaks down, Done! Plumbing, Heating, Cooling & Electric is standing by with trusted air conditioning repair in Littleton, CO—any time, day or night. From quick AC repairs to full air conditioning installation in Littleton, our licensed technicians get the job done right the first time. We’ve been serving homes and businesses with dependable HVAC solutions since 1999, and we know how to keep Littleton cool. With upfront pricing, expert diagnostics, and 24/7 emergency availability, we make it easy to stay comfortable without the wait.
 
															Keep your home comfortable and your system running strong with the Care Club. Our exclusive maintenance program includes twice-yearly AC tune-ups designed specifically for the seasonal demands of Littleton, CO. Regular service helps prevent surprise breakdowns, extends your system’s lifespan, and ensures your air conditioning is running at peak efficiency—saving you time, stress, and energy costs. With priority scheduling and expert care from Done! Plumbing, Heating, Cooling & Electric, your home stays cool and cared for all year long.
When you call Done! Plumbing, Heating, Cooling & Electric for AC repair or installation in Littleton, CO, you’re backed by our Home Comfort Guarantee—a promise that your comfort, safety, and satisfaction always come first. We provide upfront, accurate quotes before any work begins—no surprises, no hidden fees. All AC work is performed by trained, background-checked, and bonded technicians, and we won’t rest until you’re 100% satisfied. For new HVAC installs over $3,000, we include a quality review by a manager and your first tune-up free with a complimentary Done Care Club membership. If something’s not right, we’ll make it right.
 
															 
															Thousands of Denver residents have trusted Done Plumbing, Heating, Cooling & Electric as their full-home service provider for all their maintenance and repair needs. Discover our total home services:
We proudly service the following cities and neighborhoods across Denver:
Not seeing your area? Give us a call at 833-539-9153
When Littleton heats up along the South Platte, especially during July’s dry highs and those late-day thunderstorms, an underperforming air conditioner can make home comfort vanish fast. From classic bungalows near Downtown Littleton to newer homes around Chatfield, cooling systems work hard at our ~5,300-foot elevation. Thinner air means equipment has to be tuned correctly: airflow, charge, and capacity all matter more here than at sea level. If you’re noticing longer run times, rooms that won’t cool evenly, or utility bills creeping up, your system may simply need altitude-smart service—or it could be signaling a refrigerant leak, failing capacitor, or a struggling compressor.
At Done, we tailor air conditioning repair, maintenance, and installation to Littleton’s homes and small businesses. Our licensed techs arrive in fully stocked trucks ready for common Front Range fixes, from ductless mini-split issues to central AC fan motors. We balance and seal ductwork in tight crawlspaces, clear clogged condensate lines before they cause water damage, and verify charge and CFM per ton for performance at elevation. Planning an upgrade? We’ll size and install a right-fit system—traditional AC or heat pump—so you get dependable cooling, quieter operation, and better efficiency all summer long.
From repairs to new installations, Done is Littleton’s one-stop source for home services like:
Littleton’s summer heat is no match for Done. Whether it’s a same-day rescue or preventive tune-up before the next heat wave, one call to Done keeps Littleton comfortable (and without surprises). We’re ready 24/7 with fast, reliable AC repair and service—One Call… It’s Done!