$67Heating check, per system. We check your furnace or heat pump before winter. Through December 31.$67 heating check before winterBook Online
Open 24/7 for emergencies5.0 stars, 1,132 reviews
Residential
Service Areas
(703) 997-9757CallBook Online
MenuClose
Heating
Air Conditioning
Plumber
Drains & Sewers
Water Heater
Duct & Dryer Vent Cleaning
Price Estimators
Offers
About Us
Service Areas
Commercial
Call (703) 997-9757Book Online

Open 24/7 for emergencies

Video · Crew Culture, Humor and Motivation

Dog Bark Sounds Like a Drill When You Cut Sheet Metal All Day

Spend enough days cutting sheet metal and every dog bark sounds like a drill. The joke rides on real work: a tech cutting a duct opening into the top of an HVAC cabinet.

Call (703) 997-9757

5.0 stars across 1,132 reviews

Get your price in writing

Send this and the office calls or texts you back to set a time.

This field is for validation purposes and should be left unchanged.

We’ll call or text this number about your request. By sending it you agree to our terms and privacy policy.

Rather talk now? (703) 997-9757

Licensed and insuredVirginia Class A contractor #2705192276

24/7 emergency serviceOften same-day, and we will tell you honestly when we can get there.

Dedicated HVAC and plumbing teamsA dedicated HVAC team and a dedicated plumbing team, under one roof

Prices in writing, firstYou get the number in writing before any work starts

What you’re seeing in this video

The setting is a garage. A tech in a black cap and hoodie, tattoo sleeve on his forearm, runs a drill-powered metal shear across the sheet metal top of an HVAC cabinet. That shear attachment chews a clean line through steel, and it makes a sharp, choppy racket.

That racket is the punchline, because the bark and the shear really do sound alike. What he's cutting is the opening where the duct or plenum will attach, the box that sends air out to the rest of the house.

Job footageSwiftPro
Topic
Crew Culture, Humor and Motivation
Length
0:10
Posted
August 26, 2026
Shot by
The SwiftPro crew, Northern Virginia

Why it matters in your house

  • The opening has to match the duct it feeds. Cut it too small and the blower pushes against a choke point, which means louder air and less of it reaching your rooms.
  • Cut edges get folded or flanged and then sealed. Raw edges left open leak air into the garage instead of carrying it to the bedrooms.
  • If your dog reacts to noise, put it in a closed room during an install so it isn't underfoot while someone's carrying a sharp sheet of metal.

Why do HVAC installers cut into the top of the furnace or air handler?

That's where the supply air leaves the unit. The installer cuts an opening sized to the plenum or duct, bends the edges so the connection overlaps, then fastens and seals it. Getting that cut right is part of matching new equipment to the ductwork you already have.

Thinking about the trades? See careers at SwiftPro, or book a visit at (703) 997-9757.

More videos from the SwiftPro crew

A tech on a Werner ladder runs refrigerant line and wiring through the joists of an unfinished basement ceiling lined with foil-faced insulation, using a cordless drill.0:36HVAC Service Call Kids Run the Show While the Lines Go InMeme format: a tech in a backward black cap and Milwaukee gloves connects the line set at the service valves of a new Carrier condenser on a brick paver patio, then the finished Carrier unit on its pa0:13Clean HVAC Installation: The Art and the Hands Behind ItA tech in a backward black trucker cap and hoodie kneels at an AC condenser with nitrogen and torch tanks and a gauge manifold, set up to braze.0:13HVAC Lower Back Pain Song for Techs Who Live on Their KneesTwo techs work inside the gas section of a commercial rooftop package unit, one in a gray cap and hoodie and one in a black hard hat.0:13Never Back Down, Never Give Up, on a Commercial Rooftop Gas LineSkit: a client asks if the job can be finished quickly, and the tech in a red headlamp says he will do his best.0:16HVAC Replacement ASAP? The Tech Says He'll Do His BestTwo techs carry a boxed piece of HVAC equipment along a sidewalk past brick townhouses, and two techs wheel a new AC condenser on a hand truck across a wooden deck.0:15HVAC Lifting Heavy Equipment, From Townhouse Sidewalk to Deck

See all 234 SwiftPro videos

Need a hand at home?

Rather pick the day yourself? Book online.

Call (703) 997-9757 Get your price in writing

SwiftPro Heating, Cooling & Plumbing
4230 Lafayette Center Dr N, Chantilly, VA 20151
44679 Endicott Dr, Suite 211, Ashburn, VA 20147
Virginia Class A contractor license #2705192276

Call Now Book Online
5.01,132 reviews