AC Installation in Derwood, MD
We install central air conditioning in Gaithersburg, Rockville, Olney and the towns nearby, starting with a visit where your technician measures the house rather than copying the old unit.
AC Installation for Derwood homes
A lot of Derwood went up in the 1970s and 80s, and many of those houses are on their third system by now. When those changeovers happened, the ductwork usually got left alone, and that is where the airflow complaints come from. Around Redland, Mill Creek Towne, and Derwood Station, we size the equipment to the house you actually have. Not another copy of whatever was already there.
A lot of Derwood went up in the 1970s and 80s, and many of those houses are on their third system by now. Each changeover left something behind. A duct joint that does not quite fit. A return that was never enlarged. A flue that was adapted instead of replaced.
None of that is dramatic on its own. Stacked up over three installs, it is why a house can have new equipment and still not feel right.
What we run into in Derwood
Three systems of accumulated shortcuts
We look at what the last two installers did, because that is usually where the comfort problem lives.
Adapted duct transitions
Common here, and a frequent cause of noise and poor airflow that gets blamed on the equipment.
Redland and Mill Creek Towne layouts
Similar enough that a fault in one often tells us where to look in the next.
AC Installation around Derwood
If you live in Redland, Mill Creek Towne, or anywhere else in Derwood, we handle AC installation at your address. A house here can have new equipment and still not feel right, so we look at what the last two installers left behind. What the gauges read at your Derwood house decides it, not what was true at the last one.
Signs your air conditioner is ready to be replaced
It is past twelve to fifteen years old
Around here, most central air conditioners give you twelve to fifteen years. Once a unit is older than that, the big parts tend to give out one after another. Planning the replacement on your own timeline beats scrambling for one in the middle of a July heat wave.
A major part has already failed
A burned-out compressor or a leaking coil is where most systems reach the end. On older equipment, that one repair eats up a good chunk of what a new system costs. And the new system comes with a full warranty behind it.
Your summer electric bills keep rising
As coils get dirty and parts wear, a system loses efficiency. When your summer electric use creeps up year after year and nothing about how you live has changed, the unit is straining harder and giving you less for it.
How we put in a new AC
The visit and straight sizing
Your technician measures your home, checks the ductwork and the electrical, and sizes the system to the house rather than to a rule of thumb.
A written proposal with real options
You get it in writing. Which units you can choose from, how much power each one uses, and what the job covers. Nothing is left for you to guess at, and you pick the option that suits you.
Installation day
We take out the old equipment and haul it off. Then the new outdoor unit and indoor coil go in. We run the lines and hook up the power. We clean up before we leave.
Testing before we call it done
We weigh in the refrigerant and confirm the charge, measure the airflow, and run the system through a full cycle. This step is the difference between a system that is installed and one that is installed correctly.
Closeout and warranty
We put the warranty in your name. You keep the paperwork.
The part is usually the symptom (Derwood)
A capacitor rarely dies of old age on its own. It dies because the motor it was starting had to work too hard, and something made it work that hard.
Finding that something is the difference between a repair that holds and a repair that comes back. It is why we look at the whole system before we tell you what it needs.
AC Installation in Derwood: common questions
What size air conditioner do I need?
The size comes from measuring the house, not from its square footage and not from copying the old unit. Insulation, windows, which way the house faces, and the state of the ducts all move the number. Going too big is the usual mistake. It chills the air in minutes, shuts off before it dries the house out, and wears itself out early.
Should I replace the indoor coil too?
Almost always, yes. The outdoor unit and the indoor coil are built as a pair. A new outdoor unit bolted to an old coil will never reach the rating on the box, and it tends to fail early. Your proposal covers the matched pair so you get the performance you paid for.
Do you install heat pumps instead of air conditioners?
Yes, and it is worth asking about. A heat pump cools in summer and heats in winter from the same equipment. For homes on propane or electric heat, it often makes better sense than an air conditioner plus a separate heating system. We walk through both on the visit.
Will I have proof of the work done in Derwood?
Yes. Every job leaves you a written scope. Photos before and after. The equipment details. All in one place, easy to pass on if you need to.
More in Derwood
Call Mora Heating & Air or send a request, and we will get your cooling estimate on the calendar.
Or tell us what your system is doing
Send us the details and we will call you back about your Derwood home. If the house is very hot or very cold right now, calling is faster.