
Precision Ductwork for Peak HVAC Performance
Expert Ductwork Repair, Replacement & Installation for Homes and Businesses
At Shalom Heating & Air, your ductwork is the backbone of an efficient, comfortable HVAC system — and leaky, undersized ducts can waste up to 30% of the air you pay to heat and cool. Serving homes and businesses across Bellflower and Greater Long Beach, we install, replace, seal, and balance air ducts so conditioned air reaches every room. Whether you're building new, remodeling, or fixing hot-and-cold spots, our technicians deliver airtight ductwork that cuts energy waste and improves your air quality.
American Standard Certified Dealer · Family-Owned · Licensed & Insured · Free Written Estimates on New Installations
Healthy Homes Start with Quality Ducts
Efficient, Airtight Ductwork Across Greater Long Beach & Orange County
At Shalom Heating & Air, we deliver efficient, airtight ductwork for homes and businesses across Greater Long Beach and Orange County — including Bellflower, Downey, Norwalk, Cerritos, Lakewood, and Long Beach. From new duct installation and full replacement to expert sealing and damper zoning, our technicians build duct systems that cut energy waste, balance every room, and protect your air quality. Because your ducts tie your whole system together, we also handle air conditioning, heating, and indoor air quality — so your home stays comfortable and efficient year-round, backed by upfront pricing and workmanship you can trust. Run a business? We also provide commercial HVAC for offices, retail, restaurants, and light-commercial properties — explore all of our HVAC services in one place.
Indoor Air Solutions You Can Trust
Why choose Shalom Heating & Air
At Shalom Heating & Air, we know that proper ductwork is the backbone of a reliable HVAC system. Whether you're building new, remodeling, or upgrading outdated air ducts, our team delivers precision, performance, and peace of mind.
Everything You Need to Know
Your Complete Guide to Ductwork & Air Ducts


Signs Your Ductwork Needs Attention
Your ducts are hidden in walls, attics, and crawlspaces, so problems often go unnoticed until your comfort or energy bills suffer. Telltale signs include rooms that never reach the right temperature, weak airflow from some vents, and heating or cooling bills that keep climbing. Excess dust throughout the home, musty or stale odors when the system runs, and visibly kinked, crushed, or disconnected ducts all point to trouble. Whistling or rattling noises — and ducts that are 15 years or older — are also worth an inspection. Leaky, undersized, or deteriorated ductwork forces your HVAC system to work harder for less comfort, and a quick assessment tells you exactly what is going on behind the walls.
Our Ductwork Services: Installation, Replacement & Sealing
We handle the full range of air duct work for homes and light commercial spaces. New duct installation starts with a careful assessment of your home's layout and load, so the system is sized and routed for balanced airflow to every room. Duct replacement swaps out old, leaky, or contaminated ducts that drag down efficiency and air quality. Duct sealing closes the gaps and disconnections that let conditioned air escape, and damper installation gives you precise control over airflow to different zones. Whatever the scope, we build a tight, efficient duct system that gets the air where it belongs.
How Leaky Ducts Waste Energy & Money
In a typical home, duct leaks can waste 20 to 30% of the air your system moves — air you paid to heat or cool, escaping into the attic or crawlspace instead of your rooms. That lost air means longer run times, higher energy bills, uneven temperatures, and a system that wears out sooner. Leaky returns can also pull in dust, insulation, and humid attic air, hurting your indoor air quality. Sealing and repairing ductwork is one of the highest-return improvements you can make: your home gets more comfortable, your equipment runs less, and your bills come down.
New Duct Installation vs. Replacement
If you are building, adding on, or converting a space, new duct installation lets us design an efficient, correctly sized system from scratch. Replacement makes sense when existing ducts are old, crushed, poorly sealed, mold-contaminated, or badly undersized for your equipment — problems that patching will not solve. Sometimes targeted repair and sealing is enough; other times a full replacement pays for itself in efficiency and comfort. We inspect what you have and give you an honest recommendation based on the real condition of your ducts, not a one-size-fits-all upsell.
Ductwork & Your Indoor Air Quality
Every breath of conditioned air in your home passes through your ductwork, which makes duct condition central to the air you breathe. Leaky or disconnected ducts pull dust, allergens, and attic air into the system and spread it room to room, while gaps let in humidity that can feed mold. Sealed, clean, properly designed ducts prevent that and let your filters and air purifiers actually do their job. When we improve your ductwork, we improve your comfort, your efficiency, and your indoor air quality all at once.
Systems & Solutions We Work With
We install, replace, seal, and balance sheet-metal and flexible ductwork, return and supply runs, dampers, and zoning for residential and light commercial HVAC systems of all brands and ages. Whether you need a single problem area fixed, a full duct system for a new build or remodel, or airtight sealing to cut energy waste, our technicians design and install the right solution for your home and budget.
Repair, Seal, or Replace Your Ducts?
| Your Situation | Best Move |
|---|---|
| Minor leaks or a few loose joints | Seal & repair |
| Hot/cold rooms, high bills, 20–30% air loss | Seal & balance |
| Old, crushed, or mold-contaminated ducts | Replace |
| New build, remodel, or added rooms | New installation |
| Ducts undersized for your equipment | Replace / resize |

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