Licensed Maryland HVACR contractor · 41 years in Montgomery County 24/7 emergency service
Poteete HVAC · since 1985

Takoma Park, MD · Cooling

Central Air Conditioning System Installation in Takoma Park, MD

High-velocity central air for Takoma Park houses with plaster worth protecting

Local detail

Central Air Installation in Takoma Park

This is the signature Takoma Park project. A 1912 four-square with original plaster, picture rail and heart pine floors cannot absorb a conventional duct retrofit without significant loss. Small-duct high-velocity systems solve it: a compact air handler in the attic or a closet, two-inch insulated flexible tubing routed through existing cavities, and outlets roughly the size of a coaster placed in ceilings or floors. The dehumidification performance is also genuinely better than conventional systems, which matters in a humid Sligo Creek summer.

  • Two-inch tubing threads through balloon-framed wall cavities that conventional ductwork cannot use
  • Aspiration from high-velocity outlets mixes room air thoroughly, which suits tall pre-war ceilings
  • Attic air handlers above finished plaster get a secondary pan and float switch without exception
Trunk and branch duct system A supply plenum feeding a tapered trunk with branch runs to registers, alongside an undersized single return, with static pressure measurement points marked. Air handler Supply pressure Return pressure Tapered trunk Branch runs to registers Return
Total external static pressure is the sum of both readings, and it is the single most revealing number in a duct system. Above roughly 0.8 in. w.c., new equipment will run hard and die young — which is why we measure before quoting rather than after installing.

The housing

What we find in Takoma Park homes

Predominantly 1890–1935 Victorians, four-squares and craftsman bungalows with plaster walls and balloon framing, plus 1920s–40s brick colonials along the Sligo Creek side and mid-century apartment buildings on the Flower Avenue and New Hampshire Avenue corridors.

  • One-pipe steam and gravity-converted hot-water boilers with original cast-iron radiators
  • Window units and portable ACs in homes that were never ducted
  • High-velocity small-duct retrofit cooling systems in restored houses
  • Ductless mini-split heads, increasingly as primary heat as well as cooling
  • Oil-fired boilers and converted oil-to-gas systems in the oldest housing

Scope of the work

  • Whole-house Manual J load calculation plus Manual D duct design
  • Supply and return routing plan drawn before any drywall is opened
  • Air handler placement in attic, basement or closet with proper platform, pan and safety switch
  • Insulated supply trunk and branch runs, sealed with mastic rather than tape alone

Utilities · Takoma Park

Electric: Pepco. Gas: Washington Gas. Water: WSSC Water. Permitting authority: Montgomery County DPS, with City of Takoma Park review for historic and tree-impacting work.

Neighborhoods covered

Old Takoma, Takoma Junction, Long Branch, Hillwood Manor, Pinecrest, Sligo, Flower Avenue corridor, New Hampshire Avenue Gardens, Ward 3 / Sligo Creek and the surrounding 20912 ZIP codes.

Local factors

Conditions that shape this job in Takoma Park

  1. Plaster, balloon framing and no chases

    These houses have no soffits to hide ductwork and no chases to reuse. Balloon framing means wall cavities can run uninterrupted between floors, which occasionally helps, but original plaster and lath does not tolerate careless work. High-velocity and ductless systems exist precisely for this housing stock.

  2. Small lots and close neighbors

    Side yards here are often ten to fifteen feet, and the neighbor's bedroom window is frequently the nearest thing to your condenser. Equipment sound rating is a genuine design criterion, and Montgomery County's residential noise limits are a real constraint on placement rather than a theoretical one.

Questions

Central Air Installation in Takoma Park — common questions

Is a high-velocity system noisy?
It moves air faster than a conventional system, so there is a soft rush at the outlets — most people describe it as white noise rather than as a problem. Properly installed with the correct number of outlets, sound attenuator tubing and an isolated air handler, it is quiet. Noise complaints almost always trace to too few outlets or a hard-mounted air handler, both of which are installation errors.
Can central air be added to a house with radiators and no ductwork?
Yes, and it is one of the most common projects we do in Silver Spring, Takoma Park and older Bethesda. The hot-water or steam heating stays exactly as it is, and we add a separate cooling-only system — conventional ducted if there is routing space, high-velocity or ductless if there is not.

More central air installation questions answered on the Maryland service page →

Talk to a technician

Central Air Installation in Takoma Park? Tell us what the system is doing.

Describe the problem and we will tell you what it usually means, what it typically costs to diagnose, and when we can be there. No obligation, no scripted sales call.

Call (301) 555-0182 Request a quote

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