Boilers & furnaces
Stay comfortable when New England gets cold. Service and replacement options for gas and oil heating systems.
- Gas & oil boilers
- Steam & hot-water heating
- Furnaces & radiant systems
Heating. Cooling. E-Star.
Your comfort.
Our specialty.
From winter's chill to summer's heat. Heating, cooling and hot-water solutions with personal attention for your home or business.
Installation · Repair · Maintenance
Discover our services
Our expertise
One team.
Every season.
The right solution starts with understanding your space. Explore how E-Star can help.
A cooler kind of comfort.
Cooling that fits your space, from a single room to a whole property. We help you understand your repair and installation options.
- Central air conditioning
- Ductless mini-splits
- Heat pumps & air handlers
Water heaters
Tank and tankless systems, service and replacement.
- Tank water heaters
- Tankless water heaters
- System troubleshooting
Ductwork & ventilation
Ductwork and ventilation designed around your space.
- Ductwork & zoning
- Exhaust & ERV systems
- Air distribution
Commercial refrigeration
Service for the equipment your business depends on.
- Walk-in coolers
- Freezers
- Ice makers
Service & mechanical work
Practical help for repairs, maintenance and installations.
- Maintenance & repairs
- Gas piping
- Mechanical installation
Licensed & insuredWork done responsibly
Homes & businessesResidential and commercial
Repair to replacementTroubleshooting, service, installation
English & españolService in your language
Certified by Navien
Certified by the brand
we install.
E-Star HVAC is a Navien HVAC Partner and a Navien Service Specialist (NSS). From combi boilers and tankless water heaters to service and repair, your Navien equipment is in trained hands.
Request Navien service
The difference is in the details.E-Star HVAC LLC
Local. Personal. E-Star.
Service that
feels personal.
Your property deserves attention. And you deserve to understand your options.
I'm Enrique Enriquez, owner and operator of E-Star HVAC LLC. We help homeowners and businesses with heating, cooling and ventilation, from troubleshooting to installation.
We start by listening to your needs, reviewing your system and discussing the work with you. That gives you a clear picture of the scope before deciding on the next step.
EE
Let's talk about what you need ↗
Enrique EnriquezOwner & operator · E-Star HVAC LLC
The E-Star gallery
Real projects.
Every detail matters.
From home comfort to commercial kitchens. Equipment, piping and connections — select a photo for a closer look.
All photos are from E-Star HVAC projects.
Follow us on Instagram ↗
Before & after
See the difference.
Drag to compare. Actual photos from E-Star HVAC projects.
BEFOREAFTERMaintenance
Coil cleaning
From heavy visible buildup to a clean coil.
BEFOREAFTERWater heating
Water heater replacement
New water heater with updated piping, a mixing valve and an expansion tank.
Maintenance
A fresh start.
For your HVAC system.
Filter replacement, coil cleaning and unit maintenance for homes and businesses.
Time for a little maintenance?
Request maintenance
Tell us about your home or commercial system.
Customer review
★★★★★
Very pleased with this company. Small team that is efficient and ready to work.Dave Pothier · Google review excerpt
From the first call to the final detail
Simple. Clear.
No surprises.
01
Tell us what you need
Share your equipment, the issue and your property's location.
02
Understand your options
We assess the work and discuss the scope and cost with you.
03
Plan the work
We coordinate your service, repair or installation with you.
Can you help with a repair or a replacement?
Yes. We assess your equipment and discuss repair and replacement options based on its condition and your needs.
Do you work with businesses?
We serve residential and commercial properties, including heating, cooling, ventilation and commercial refrigeration.
What should I include in my request?
Tell us your location, the type of equipment and what you need. Photos of the system and its model label can help us understand the job.
Where do you provide service?
E-Star is based in Nashua, New Hampshire. We serve NH, MA and ME; contact us to confirm availability for your location and type of work.
Do you speak Spanish?
Yes. We offer service in English and Spanish.
Let's get started
Better comfort
starts here.
Request a quote or tell us what's happening with your system.
603-233-5300Service area
New Hampshire · Massachusetts · Maine.
Call to confirm availability.
Email us
Our location
3 Pine St Ext, Unit C
Nashua, NH 03060
Business hours
Monday–Friday: 7:00 AM–3:00 PM
Weekends: by appointment
Need emergency service?
Call to check availability. Messages are not monitored continuously.