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Heating & Cooling Services Across Newton's 13 Villages

Newton's 13 villages mean 13 different types of homes and 13 different sets of HVAC challenges. Dalelis Plumbing & HVAC has been serving Newton residents from our Norwood location, bringing the right solution for everything from century-old Victorians to postwar ranches. Our technicians understand what Newton homeowners deal with and how to fix it.
Fully Insured & Licensed
Dependable & Experienced
100% Satisfaction Guarantee

Affordable HVAC Services

Emergency HVAC Repair

Rapid, around the clock repair service to restore heating or cooling when your system fails unexpectedly.

HVAC Maintenance

Scheduled maintenance that improves efficiency, extends equipment life, and prevents costly breakdowns.

HVAC Repairs

Fast, accurate diagnostics and repairs for all HVAC system types to restore comfort and performance.

HVAC Installation

Professional installation of new HVAC systems designed for long term comfort, efficiency, and reliability.

HVAC Replacement

Full system replacement services that upgrade your home with modern, energy efficient heating and cooling.

Forced Hot Water and Steam Heat

Expert service for forced hot water and steam heating systems to ensure steady, dependable heat throughout your home.

Call Us Today for After Hours Emergency Service
Fully Insured & Licensed
Dalelis' emergency HVAC technicians are fully insured for your protection, including general liability and worker’s compensation.
Experienced & Dependable
Dalelis has served the Norwood area since 2006. We pride ourselves on always being there for your emergency HVAC needs.
Satisfaction Guaranteed
We provide a 100% satisfaction guarantee. If you are not entirely happy with your HVAC emergency, we’ll make it right.

Our Partners

More Heating & Cooling Services

Dalelis' Norwood Heating Services

New England winters demand a heating system you can rely on. Dalelis Mechanical provides professional heating installation, repairs, and seasonal maintenance to keep your home warm when it matters most. Our licensed technicians service all major systems, from furnaces and boilers to heat pumps.

With decades of combined experience, we bring precision, safety, and peace of mind to every job. When you need trusted heating experts in Norwood, count on Dalelis Mechanical.

Dalelis' Air Conditioning Services in Norwood, MA

Stay cool and comfortable with Dalelis Mechanical’s professional air conditioning repair, installation, and maintenance services. Our experienced technicians ensure optimal performance and airflow so your home maintains consistent comfort during the hottest months. We specialize in diagnosing issues quickly and delivering long-term solutions.

For dependable air conditioning services in Norwood, MA and nearby towns, trust Dalelis Mechanical to keep your cool air flowing all summer long.

HVAC Solutions for Every Newton Village

Newton is not your typical suburb. It is really a small city made up of 13 distinct villages, each with its own downtown, its own housing stock, and its own personality. In Chestnut Hill, you'll find grand estates from the early 1900s with original radiator systems that need careful attention. Over in Newton Highlands, the Victorian and Edwardian homes along Lincoln Street often have boilers that are long past their useful life. West Newton Hill has stately colonials where homeowners frequently ask us about adding central air without disturbing plaster walls and original woodwork.

The postwar neighborhoods tell a different story. Oak Hill was built specifically for veterans in the late 1940s, and many of those original heating systems have been replaced once or twice already. In Auburndale, the larger-lot homes near the Charles River can deal with basement moisture that affects furnace performance and indoor air quality. Nonantum's tightly packed homes along Adams Street present their own set of challenges when it comes to equipment placement and airflow.

Dalelis is about 10 miles south of Newton, and we make the drive regularly. Whether you need a boiler replacement in Newton Upper Falls, a ductless system in a Newton Corner condo, or a full AC install for a growing family in Waban, we bring the same careful, honest work to every job. Newton homeowners appreciate that we take the time to understand their home before recommending a solution.

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How to Tell Your Newton Home Needs HVAC Attention

01

Strange Noises

When your HVAC system starts making strange knocking, grinding, or loud gurgling noises, it is a clear sign that a component is failing and getting ready to break down. While the unit may still be operational, you should turn it off immediately to prevent further damage. When you hear abnormal noises, reach out to James A. Dalelis Plumbing & HVAC as soon as possible for urgent diagnostics.

02
Vent Blowing Cold or Warm Air

If your HVAC system is blowing cold air in the winter while the heater is on, or hot air in the summer when the AC is on, it's time to reach out for emergency HVAC repair. When your system is pushing out air that matches the temperature outside, you're likely dealing with blocked airflow or a broken compressor. Contact James A. Dalelis Plumbing & HVAC and our team will inspect and repair your system right away.

03
Weak Air Flow

If cool or warm air is only trickling from your vents instead of blowing with full force, it signals that the system is struggling and requires emergency HVAC repair. Weak airflow is typically a sign of components that are malfunctioning or completely worn out. Issues like clogged air filters, dirty coils, failing blowers, or obstructions in the ductwork could cause this problem. If your HVAC system is giving out weak air flow, contact James A. Dalelis Plumbing & HVAC right away.

04
Rapid System Cycling

It's normal for HVAC systems to run more frequently during extreme temperatures, but the time between cycles should stay roughly consistent. If your HVAC system is turning on or off more often than usual, you're likely dealing with a serious issue that needs emergency repair or even replacement. Contact James A. Dalelis Plumbing & HVAC for emergency HVAC services.

How To Handle a HVAC Emergency

If your home is becoming increasingly hot during a summer heatwave, or if your furnace fails to provide heat during a Massachusetts cold snap, you are likely facing an HVAC emergency. In these moments, it is important to take two simple, immediate steps:

Step 1: Perform Essential Checks
Before calling for emergency help, run through these simple checks to prevent further damage and confirm the issue needs a professional.
Check the Thermostat
Ensure it is set to the correct mode ("Heat" or "Cool") and the temperature setting is actually
above (for heat) or below (for cool) the current room temperature.
Check The Circuit Breaker
Go to your electrical panel and look for any tripped breakers related to the furnace or AC unit.
If you find one, flip it off, then back on. If the breaker trips immediately again, leave it off and do not attempt to reset it.
Turn Off The Unit
If you hear strange noises, smell burning, or detect a gas odor, turn the entire system off immediately using the kill switch near the unit (or by turning off the circuit breaker).
Contact Our Emergency Team
Once you have secured the unit and attempted basic troubleshooting, do not panic.
Reach out to your trusted emergency HVAC repair service:
James A. Dalelis Plumbing &
HVAC in Norwood, MA.
(617) 716-9144
Schedule Online

Hear What Our Clients Have to Say

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4.9
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Fast, efficient, and professional. I went to turn my heat on and realized my boiler wasn’t working. It was a Friday before a long holiday weekend but James had one of his guys there first thing Monday morning and my heat was back up and running in just a few hours! Thank you so much!! Highly recommend

Danielle Sabourin
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Met with me on short notice and took the time to talk about all options, but brief and to the point.
Helped me make a better decision.
Went above and beyond so the work got done in a timely manor and we're very satisfied with the results.
Thank you, James & Crew.

Padraic O'Regan
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Excellent service. Responded quickly to confirm my appointment and the work was completed quickly the same day. We will be using this company for our yearly heating maintenance.

Jono Healey
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I had a great experience working with James and his team to install our new boiler and water heater. He worked to understand our needs, gave us solid advice, and provided a competitive bid with no extras or upsells (and no BS!).  His work was very professionally done, and it was obvious that he took great pride in his work and in providing the most useful components. He also took the time to explain the work, how the equipment worked, and made sure the settings were what we we were looking for.  All in all a great experience, and we will be working with him again.

Bill Barnett

Serving Your Neighbors Too

Needham, Dedham, Natick, Westwood

10 miles north

Frequently Asked Questions

What HVAC options work best for Newton's older Victorian homes?

Many Victorian homes in Newton Centre and Newton Highlands lack the space for traditional ductwork. Ductless mini-splits are often the best fit because they provide both heating and cooling without requiring invasive construction. For homes with existing radiator systems, we can also upgrade the boiler to a high-efficiency model while keeping the radiators in place.

How do I handle heating in a Newton home with multiple floors and uneven temperatures?

Multi-story homes across Newton commonly have upper floors that are too hot in summer and too cold in winter. Zone control systems allow you to set different temperatures for different areas of the home. We can retrofit zoning into many existing systems or recommend supplemental ductless units for problem areas.

Does Dalelis serve all 13 villages in Newton?

Yes, we serve every village in Newton, from Nonantum to Chestnut Hill and everywhere in between. Our technicians are familiar with the different housing types across the city and regularly work in all 13 villages. We carry the parts and equipment needed for both older and newer systems.

How much does it cost to replace a boiler in a Newton home?

Boiler replacement costs in Newton typically range from $5,000 to $12,000 depending on the type of unit, the complexity of the installation, and whether any piping or venting modifications are needed. Many of Newton's older homes have unique configurations that affect pricing. We provide a free in-home estimate with a detailed breakdown before any work begins.