Testimonials

We Install The Best & Fix The Rest!

Baci & Michael Horodniceanu

★★★★★

Southampton

The supervisor and installers are the most professional people we every dealt with. They are the definition of excellent customer service!

S. Spehler

★★★★★

Long Island

All Staff personnel was extremely professional and respectful. The repair service technician was over the top with installation and explanation and going beyond the call. Extremely Satisfied, Thank you!

Steve Abraynon

★★★★★

Water Mill

Excellent response, and very courteous. Very helpful and professional with system selection/replacement.

Lydia Schmitt

★★★★★

East Hampton

I called a few companies but picked Weber & Grahn because the girls in the office were so pleasant!

J. Little

★★★★★

Long Island

The technician was informative, professional and very nice. Work was done in a timely fashion. All technicians that worked on the job were polite and answered any questions.

R.W.Deichert

★★★★★

Long Island

The Weber & Grahn experience was excellent and I'm telling all of my friends about you!

H.F.Van Wyck

★★★★★

Greenport

We are pleased to see how hard & fast your workers are, plus all of them were very pleasant & respecting their co-workers as well.

T. & C. DiSunno

★★★★★

Long Island

The entire staff of your company is professional, efficient, and polite. Their work as they installed the air conditioner was totally awesome!

C.Bareau

★★★★★

Long Island

Over and over I have been impressed with W & G's level of knowledge and professionalism. A joy to work with you!

H. Kronman

★★★★★

Long Island

You lived up to your reputation for quality work by pleasant and qualified employees; both office and on-site

K. Colon

★★★★★

Hampton Bays

Larry did a fantastic job. Very professional

C. Christou

★★★★★

Mount Sinai

Excellent service & installation of A/C units. I would definitely recommend to others.

J. & T. Duffy

★★★★★

Mount Sinai

We love W&G. Ryan did an excellent job and he is highly knowledgeable. Michael is the best, like his father was. Michael recommended this solution. We are so grateful & very happy.

J. Levine

★★★★★

Montauk

Kelly, Jason & Nate were very responsive, professional, & helpful. They are an excellent team.

E. Arcasoy

★★★★★

Hampton Bays

James Bishop was very detailed and patient explaining the job to be done. He was available to answer questions. Ray Ringle was great setting up the job and making himself available to coordinate with our plumber.

E. Arcasoy

★★★★★

Hampton Bays

T. McEntee

★★★★★

Westhampton Beach

Great guys that came to the house professional & friendly.

K. Andersen

★★★★★

Calverton

The gentlemen who installed the unit were very professional and polite. I know it's difficult to keep good workers but they were very good! Thank you again.

P. Balsens

★★★★★

Sag Harbor

Very pleased with Weber & Grahn. Looking forward to working with them more

P. Balsens

★★★★★

Sag Harbor

Very pleased with Weber & Grahn. Looking forward to working with them more

L. Kyd von Rosenberg

★★★★★

Quogue

I already recommended you to Niekerkmayer family in Quogue.

M. Bloom

★★★★★

Montauk

From James B to George & all the other Tims - the rest of the installation crew - plus the follow-up to finish & explain - they were all professional, respectful & funny. Thank you for a job well done!

S. Kazanas

★★★★★

Sag Harbor

Everytime someone come they have been professional, patient, kind and respectful.

S. Lanuyo

★★★★★

Shirley

All team members @ Weber & Grahn were exceptional. Could not be more pleased. This was a very positive experience. I will be highly recommending Weber & Grahn to friends & family. Thank You!

B. Gossoo

★★★★★

Hampton Bays

Installer was Nick. He and the other person were very nice and thoughtful. Especially when we asked questions.

G. Tray

★★★★★

Southampton

I have been with W&G since 2003, and have been treated with excellent service. This installation was no different. They were excellent! Jason delivered what he promised.

S. Hirdt

★★★★★

Hampton Bays

Jason Frost - attentive in getting estimates & explaining options.

A. Vecchia

★★★★★

Manorville

The techs Chris and Journeyman were very professional and transparent with diagnostic procedure and repair. Abby was very helpful with paperwork and managing questions and customer concerns.

Why Choose Weber & Grahn?

At Weber & Grahn, we believe in providing a comfortable indoor environment for your family with precision, professionalism, and integrity.

We handle tasks like designing and installing HVAC systems for new construction, installing wine systems, and repairing existing systems. We aim for excellence in every job because our reputation relies on it. Your satisfaction is how we measure our success.