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Find Air conditioning pros in East Nassau

Avatar for Crisafulli Bros. Home Services
Crisafulli Bros. Home Services
4.6(
71
)

Serving East Nassau, NY and surrounding areas

Approved

In business since 1939

Credit card accepted

Offers commercial services

For over 85 years, Crisafulli Bros. Plumbing & Heating Contractors, Inc. has provided plumbing, sewer and drain, heating and cooling design, installation, service, scheduled maintenance, and electrical services to our clientele. Founded in 1939, our company now spans three generations combining the pride and craftsmanship you expect from a locally owned and operated family business with the resources and knowledge available from a large national company. With a growing workforce and a fleet of vehicles driving around every upstate NY neighborhood, Crisafulli Bros. is one of the largest mechanical contracting companies in the Capital Region. Our vast resources and commitment to quality led to us being recognized as the Best of the Capital Region for over 16 straight years and named a Top Work Place. We have set the standard for plumbing, heating, cooling, and electrical craftsmanship in the region.

Response time9 hrs
43 neighbors recently requested a quote
Recommended by87%of homeowners
John Ray & Sons
New to Angi

Serving East Nassau, NY and surrounding areas

Approved

In business since 1904

Free estimates

Credit card accepted

We're dedicated to providing our clients with the very best in service, installation, and repair for your heating and cooling needs. We are a locally owned and operated company that values honesty and integrity. With over 100 years of industry experience, we specialize in central A/C and cooling systems as well as heating and furnace systems. We take pride in the quality of our work and our commitment to outstanding results & look forward to building long-term relationships with our clients, and guarantee your satisfaction.

Response time1 day
Upper Hudson Valley Property Maintenance LLC
New to Angi

Serving East Nassau, NY and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

Upper Hudson Valley Property Maintenance LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.\n

Ryanaire Duct Cleaning
4.4(
97
)

Serving East Nassau, NY and surrounding areas

In business since 2014

Free estimates

Emergency services offered

"Overall very positive experience. Pat and Ryon are a solid team, Pat knows the stuff down cold. Missed one vent but Kevin (the owner) came back 2 days later and made it right, also noted some deficiencies of the furnace setup and corrected for the cost of the service call, with a small discount for the miss. You find out if the provider has the integrity not from how well they get stuff on the first try, but how they handle the little hiccups. These guys stand behind their work and do what it takes to get things right. Great small family business in the area, will not disappoint."
Response time1 day
Recommended by98%of homeowners
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FAQs for air conditioning projects in East Nassau, NY

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The East Nassau, NY homeowners’ guide to air conditioning services

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