Air Conditioning Services

Stay Cool All Summer with Trusted Local AC Experts

When summer temperatures rise in the Hudson Valley, a reliable air conditioning system becomes essential for home comfort. Whether your AC system is underperforming, not turning on, or simply outdated, Walden Plumbing & Heating is here to help.



We’ve provided expert air conditioning installation, repair, and maintenance services in Walden, NY and surrounding areas since 1975. Our team is licensed, insured, and experienced with all types of cooling systems, delivering honest, reliable service with every visit.

Our Air Conditioning Services

We provide complete AC solutions for homes of all sizes and system types, including:

Air Conditioning Repair

We fix all makes and models of central AC systems, mini-splits, and heat pumps. Common problems we handle include:



  • No cold air or weak airflow
  • AC won’t turn on
  • Strange noises or vibrations
  • Frozen coils or water leaks
  • Thermostat issues
  • High humidity levels indoors
  • Uneven cooling throughout the home

Air Conditioning Installation & Replacement

Time for an upgrade? We install high-efficiency cooling systems that lower energy bills and improve comfort. Whether you're replacing an old unit or adding cooling for the first time, we can help you choose the right:



  • Central air conditioning system
  • Ductless mini-split
  • Multi-zone setup
  • High-efficiency unit (SEER-rated)
  • Smart thermostat integration

AC Maintenance & Seasonal Tune-Ups

Avoid breakdowns during peak heat and extend the life of your system with seasonal maintenance. Our tune-ups include:



  • Cleaning condenser and evaporator coils
  • Checking refrigerant levels and pressure
  • Testing blower motor and fan
  • Inspecting electrical components and connections
  • Clearing condensate drain lines
  • Verifying thermostat and system operation
  • Replacing air filters (if provided)

Signs You Need AC Service

  • Warm or uneven air from vents
  • System short-cycles (frequent starts and stops)
  • Sudden increase in utility bills
  • Strange smells when the system runs
  • Ice forming on the coils
  • Water pooling near indoor unit
  • Thermostat not responding properly


If your AC is showing any of these symptoms, don’t wait. Quick action can prevent more serious damage and keep your home comfortable.

Cooling Systems We Service

  • Central air conditioning
  • Ductless mini-split systems
  • Heat pumps
  • Multi-zone cooling systems
  • Older and newer high-efficiency models


We work with all major brands, including Carrier, Trane, Lennox, Goodman, Mitsubishi, and others.

Why Choose Walden Plumbing & Heating?

In Business Since 1975

Nearly five decades of trusted service

Local & Family-Owned

Serving Walden and surrounding communities

Licensed & Insured

All work done to code with safety in mind

Prompt, Reliable Service

 We show up when we say we will

Honest Estimates

No upselling or pressure, just professional advice

Clean Workmanship

We respect your home and leave it better than we found it

Energy Efficiency = More Savings

Installing a high-efficiency air conditioning system can save you hundreds in cooling costs each year. Ask us about:



  • SEER2-rated systems
  • ENERGY STAR® units
  • Variable-speed compressors
  • Smart thermostats for remote control
  • Duct sealing and airflow balancing


We’ll help you qualify for any applicable utility rebates or tax incentives for upgrading to energy-efficient equipment.

FAQs About Our AC Services

  • Do you offer emergency AC repair?

    Yes. We respond quickly to urgent AC issues, especially during heat waves when indoor comfort and safety are at risk.

  • How long does an AC unit last?

    Most systems last 12–15 years with proper maintenance. If yours is older and experiencing frequent issues, it may be time to replace it.

  • How often should I schedule maintenance?

    We recommend a tune-up once per year, ideally in the spring before the summer heat arrives.

  • Can you install ductless mini-split systems?

    Absolutely. We install and service single and multi-zone mini-splits, ideal for additions, older homes, or areas without existing ductwork.

Schedule Air Conditioning Service Today

Don’t suffer through another hot summer. Trust Walden Plumbing & Heating for expert cooling service that keeps your home comfortable and efficient.