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Learn More →Delmar homeowners know quality when they see it — and so do we. ALJ Heating & Cooling delivers expert HVAC repair, installation, and maintenance for Delmar's well-established residential community. Honest pricing, same-day service, and a 4.9-star reputation that speaks for itself.
Delmar is one of Albany County's most established and desirable communities — a place where homeowners take care of their properties and expect the same quality from the contractors they hire. ALJ Heating & Cooling is built on exactly that standard: show up on time, diagnose honestly, price fairly, and do the job right.
Delmar's housing spans several generations. Older Cape Cods and ranch homes from the 1940s through 1970s share the community with newer colonials and contemporaries built in the 1990s and 2000s. This range means our Delmar customers need different things — from adding central AC to an older home with a forced-air furnace, to replacing an aging system in a 1990s colonial, to annual maintenance that keeps newer equipment running at peak efficiency.
ALJ provides all of it — with the same honest approach, upfront pricing, and 4.9-star track record that Delmar and Bethlehem homeowners have come to rely on since 2018.
Multi-generation housing stock — Post-war Cape Cods and ranches alongside 1990s colonials. Different eras, different HVAC needs, all served by ALJ.
AC additions are common — Many older Delmar homes have great forced-air heat but no central AC. Adding AC to existing ductwork is a common ALJ project here.
Albany County winters — Cold winters in Bethlehem make heating reliability non-negotiable. Same-day emergency response is ALJ's standard.
Reputation-first community — Delmar is a word-of-mouth community. Our 4.9-star reputation reflects the quality of work we deliver here.
4.9★ · 184 Google reviews — One of the highest-rated HVAC contractors serving Albany County.
Delmar summers are warm and humid, and many of the community's older homes weren't built with central air conditioning. If your home has a forced-air furnace and existing ductwork, adding central AC is one of the most cost-effective comfort upgrades available — and a project ALJ handles regularly for Delmar homeowners.
For homes without ductwork, or for additions and finished basements, ductless mini-splits deliver efficient, quiet cooling without the disruption of ductwork installation. We also repair and maintain all existing AC systems throughout Delmar, with most repairs completed same-day.
Delmar winters are cold, and a reliable furnace is the foundation of a comfortable home from November through March. ALJ provides fast, reliable furnace repair throughout Delmar for all makes and models — most repairs completed same-day with parts on hand.
If your Delmar home has an aging furnace showing signs of inefficiency — higher energy bills, uneven heating, or frequent short-cycling — we can assess whether repair or replacement makes the better financial case. Modern high-efficiency furnaces can meaningfully reduce heating costs compared to equipment more than 15 years old.
When your water heater fails in a Delmar home, the disruption is immediate. ALJ provides same-day water heater repair and replacement throughout the Town of Bethlehem, servicing tank and tankless models from all major brands. We carry common components on our trucks and can complete most replacements in a single visit.
Tankless water heaters are increasingly popular in Delmar's established homes — they eliminate the tank-failure risk, provide endless hot water, and last significantly longer than traditional units. We'll help you choose the right solution for your household's needs and budget.
Delmar is a community built on reputation. So is ALJ. Here's what we bring to every job.
Delmar is a word-of-mouth community. Our 4.9-star rating across 184 Google reviews reflects the quality and honesty we bring to every job in Bethlehem and beyond.
We serve Delmar and the Town of Bethlehem daily from our Latham base. Same-day response is our standard. For heating or cooling emergencies, we're fast.
You'll receive a clear written estimate before any work begins. No hidden charges, no pressure to replace things that only need repair. Straight talk, every time.
Adding central AC to an existing Delmar home with ductwork is one of our most common projects. Efficient, clean installs with minimal disruption to your home.
Fully licensed in New York State for all HVAC work in Albany County and the Town of Bethlehem. SBE and MBE certified. All permits handled.
New system or major upgrade — 0% interest for 12 months on qualifying HVAC installations. Don't let timing hold back the comfort your home deserves.
Common questions from Delmar and Town of Bethlehem homeowners about HVAC service and working with ALJ.
ALJ serves the Town of Bethlehem in its entirety as part of our Albany County coverage. From the Delaware Avenue corridor to the rural south end of Bethlehem near Feura Bush and Selkirk, we cover your area. Call 518-416-3356 to confirm service at your address.
This is one of the most common projects we do in Delmar. Older homes with gas forced-air heating often have perfectly usable ductwork that can support a central AC coil and condenser — the installation is typically clean and completed in a day. For rooms or additions without ductwork, ductless mini-splits are the ideal solution.
Delmar is just a short drive from our Latham headquarters. For heating or cooling failures, call 518-416-3356 as soon as the problem occurs and we'll prioritize getting a technician to you the same day.
Every estimate is written and provided before any work begins. We explain what we found, what your options are, and what each option costs — and we let you decide without pressure. If the honest answer is that repair makes more sense than replacement, that's what we'll tell you.
Delmar's diverse housing stock means we encounter a wide range of HVAC brands and ages. Our technicians are trained across all major residential brands and carry common parts for the most widely used systems. We can diagnose and service virtually any residential HVAC equipment we encounter in Bethlehem.
ALJ holds all required New York State HVAC licenses, carries full liability insurance and workers' compensation, and handles all Town of Bethlehem permit requirements. We pull permits on every installation project — protecting your home and your investment.
ALJ serves Delmar and all surrounding Capital Region communities.