Free Estimate in Colonie
Your local team — we call back within the hour
💰 Financing Starting from 0% APR · Powered by Wisetack · No Credit Impact to Check
Learn More →ALJ Heating & Cooling is based right in the Town of Colonie — at 61 Sylvan Ave in Latham. That means faster response, more accountability, and HVAC service from people who are genuinely part of this community. Same-day service. Honest pricing. 4.9 stars from 184 real customers.
The Town of Colonie is Albany County's largest suburb — and it's our home. ALJ Heating & Cooling's office is at 61 Sylvan Ave in Latham, right in the heart of Colonie. When Colonie homeowners call us for HVAC service, they're calling the contractor who is literally the closest to their door.
Colonie's housing spans a wide range — from post-war homes in the older Newtonville and Maplewood neighborhoods to the newer subdivisions of Loudonville and North Colonie. The mix means different HVAC needs: older homes often require AC additions, furnace replacements, or boiler upgrades, while newer properties need maintenance, efficiency tune-ups, or heat pump upgrades.
What's consistent across all of Colonie is the expectation that things get done right. ALJ has served this community since 2018 with honest service, clear pricing, and a 4.9-star track record built entirely on the satisfaction of customers who live right here alongside us.
Albany County's largest suburb — Colonie is the most populous town in the Capital Region, with diverse housing from post-war ranches to newer developments.
ALJ is based here — 61 Sylvan Ave, Latham is inside the Town of Colonie. We're the closest HVAC contractor to most Colonie addresses.
High volume of residential replacements — Colonie's large housing stock and suburban density generate high HVAC replacement demand year-round.
Cold winters, hot summers — Colonie needs reliable heating and cooling year-round. ALJ's 24/7 emergency response handles failures in any season.
4.9★ · 184 Google reviews — Our Colonie customers are among our most loyal and vocal advocates. The rating reflects what we deliver every day.
From emergency repairs to full system replacements — ALJ covers it all in Colonie. No subcontractors, no runaround. Our technicians do the work.
Same-day AC repair for all makes and models. New central AC, heat pump, and ductless mini-split installations throughout Colonie. Most repairs done in a single visit.
AC ServicesFast furnace repair with parts on truck. High-efficiency gas furnace replacements that reduce heating costs. Emergency no-heat response available 24/7 in Colonie.
Furnace ServicesCold-climate heat pumps for Colonie homes — providing efficient heating and cooling in a single system. NY State rebates may apply. Free assessment included.
Heat Pump InfoSame-day tank and tankless water heater repair and replacement throughout Colonie. Honest diagnosis — we tell you whether repair or replacement makes more sense.
Water Heater ServicesAnnual AC tune-up before summer and furnace service before winter. Maximize efficiency, prevent failures, and maintain warranty coverage on all major brands.
Maintenance PlansHVAC failures don't wait for business hours. ALJ answers 24/7 for Colonie emergency calls. We dispatch fast and prioritize same-day resolution for no-heat and no-cool situations.
Emergency ServiceAnyone can say they serve Colonie. ALJ lives here. Here's what that difference means for you.
61 Sylvan Ave, Latham is inside the Town of Colonie. We're not a regional company dispatching from 45 minutes away — we're your neighbors, and we're often the closest crew to your door.
Being locally based means faster dispatch for Colonie calls — including same-day emergency response for heating and cooling failures any time of year.
No inflated invoices, no surprise charges, no pressure to replace what can be repaired. We tell you what we found and what it costs before any work begins.
Fully licensed and insured in NYS, SBE and MBE certified. All permits pulled, all work done to Albany County and Town of Colonie code. Protecting your home and your warranty.
Not corporate fluff — 184 individual Google reviews from real Capital Region customers averaging 4.9 stars. Read them before you call.
New furnace, AC, heat pump or water heater — 0% interest financing for 12 months on qualifying HVAC installations. Don't let budget timing delay your comfort.
Common questions from Colonie homeowners about HVAC service, response times, and working with ALJ.
ALJ is headquartered at 61 Sylvan Ave in Latham, which is part of the Town of Colonie. We cover all hamlets and neighborhoods throughout the town. For Colonie addresses, we're typically the closest HVAC contractor available. Call 518-416-3356 to confirm service at your address.
For no-heat or no-cool emergencies in Colonie, call 518-416-3356 immediately. We dispatch fast and aim to have a technician at your door the same day you call. We don't put you through hold queues or ask you to schedule online — we answer and we move.
Many Colonie homeowners are choosing heat pumps when replacing aging furnace-and-AC combinations. A cold-climate heat pump handles both roles in one system, often at meaningfully lower energy cost. We install ducted whole-home systems and ductless mini-splits depending on your home's existing infrastructure. Ask about rebates when you book your free estimate.
We believe every homeowner deserves to know what they're dealing with before committing to anything. Our estimates are written, clear, and provided before any work begins. If you decide not to proceed, there's no charge and no pressure. That's how we operate in our own community.
The Town of Colonie is large and diverse, and ALJ covers all of it. From the established neighborhoods of Loudonville to the newer subdivisions of North Colonie, to the Central Avenue corridor — we're your local HVAC contractor for the whole town. Call us to confirm if you're not sure whether you're in our service area (you almost certainly are).
ALJ holds all required NYS HVAC licenses, carries full liability insurance and workers' compensation, and handles all Town of Colonie permit requirements for installation projects. We pull all permits — protecting your home, your warranty, and your investment.
ALJ serves Colonie and all surrounding Capital Region communities.