HVAC Company in Uniondale - Fast Local Response, Upfront Pricing

HVAC Company in Uniondale, NY

Dalton Heating & Air is the HVAC company Uniondale homeowners call when a system fails and the fix has to be right the first time. We work on the housing stock that defines this area: mid-century ranches and split-levels with original ductwork, garden apartments with tight mechanical closets, and retrofitted central air systems that push undersized ductwork past what it was built to handle. Every job gets a written price before work starts and a full-year written guarantee on every repair. Call (516) 559-4840 and a live person answers.

Call (516) 559-4840

Why Uniondale Homes Are Different

Uniondale’s housing stock was largely built between the 1950s and 1970s, and much of it still carries the mechanical choices of that era. We see slab foundations and crawlspaces that make duct access awkward, split-levels where the return air path was an afterthought, and furnaces that outlived their expected service life by a decade. The post-war building boom put houses up fast, and the ductwork often went in before anyone thought hard about airflow. Undersized returns are common, and that shows up as noisy systems, uneven room temperatures, and frozen coils when the weather turns cold and damp.

Then there’s the humidity. Uniondale sits on Long Island, close enough to the Atlantic that summer air arrives wet. A properly sized air conditioner in Uniondale does two jobs: it lowers the temperature and it pulls moisture out of the air. If the system is oversized, it cools the air too fast to dehumidify, and the house ends up cold and clammy. That’s why we run load calculations on every install or major repair quote, not rules of thumb. Coastal salt air also accelerates corrosion on outdoor condenser coils. Freeze-thaw cycles in spring punish condensate lines that were never insulated properly. These are the things we check first on a Uniondale service call because we know the local conditions that create them.

Our Main Uniondale Services

Most calls we take in Uniondale fall into three groups: an air conditioner that stopped cooling, a furnace that won’t fire, or a homeowner planning to replace an aging system with a heat pump. Here’s what each one involves in this area.

AC Repair in Uniondale

Summer heat plus coastal humidity means an air conditioner that quits on a July afternoon is an actual health risk, not just an inconvenience. Most AC repairs in Uniondale run between $150 and $650 depending on what failed. The most common problems we find are refrigerant leaks, failed capacitors, clogged condensate drains, and corroded contactors. Homeowners with original 1960s ductwork through uninsulated attics sometimes think the AC itself failed when the real issue is duct leakage. We diagnose first, then put the price in writing before any work begins. Full detail is on the AC Repair in Uniondale page.

Heat Pump Installation in Uniondale

A heat pump replaces both your furnace and air conditioner with one outdoor unit that heats and cools. For Uniondale homes with electric heat or aging oil-fired furnaces, a heat pump can cut operating costs and simplify maintenance. The install has to be sized carefully: too large and you get short cycling and poor dehumidification, too small and you lose heat on the coldest January nights. We handle load calculations, duct assessment, and the full installation, including electrical work and permits. Pricing and the step-by-step process live on the Heat Pump Installation in Uniondale page.

Furnace Repair in Uniondale

When a furnace fails in January, the house gets cold fast. Most furnace repairs in Uniondale run $150 to $700 based on the part that failed. We regularly see cracked heat exchangers on older units, failed igniters, dirty flame sensors, and blower motors worn out from years of pushing air through restrictive ductwork. If a furnace is leaking carbon monoxide, the repair stops being optional. We test for CO on every furnace call and we will not patch a unit with a cracked heat exchanger. The full repair breakdown and what we check is on the Furnace Repair in Uniondale page.

Brands We Service in Uniondale

Our technicians are factory-trained on Rheem, York, Daikin, and Bryant equipment, along with Carrier, Trane, Lennox, and Goodman. We stock common parts for these brands on our trucks, so most Uniondale repairs finish in a single visit. If you’re not sure what brand you have, check the data plate on the side of the unit, or see our brands page for help identifying it.

Pricing for HVAC Company in Uniondale

Neighborhoods We Serve in Uniondale

We run calls across all of Uniondale, from the single-family streets near Uniondale Avenue and Nassau Road to the garden apartment complexes and the residential blocks near Northern State Parkway. Response time is typically under two hours for emergency calls inside Uniondale, and we schedule routine work in two-hour windows that we actually meet. We regularly serve:

• Homes along Uniondale Avenue and the surrounding residential grid
• The area around California Avenue and Jerusalem Avenue
• Neighborhoods near the Mitchell Field complex and Hofstra University
• Streets off Front Street toward the Meadowbrook State Parkway
• The residential blocks around Smith Street and Tanners Pond Road

Service Area – Cities Near Uniondale

Dalton Heating & Air serves Uniondale and the surrounding Nassau County communities. Our technicians cover Hempstead, NY, East Meadow, NY, Merrick, NY, and Freeport, NY with the same written pricing and full-year repair guarantee. Dispatch and scheduling are coordinated from our New York City office, and crews are stationed locally to serve Uniondale.

FAQs About HVAC Company in Uniondale