
Serving Des Allemands, LA and surrounding areas
Approved
In business since 1964
Free estimates
Warranties offered
"Replace first floor A/C and heating"





+9


Serving Des Allemands, LA and surrounding areas
Approved
In business since 1964
Free estimates
Warranties offered
"Replace first floor A/C and heating"





+9

Serving Des Allemands, LA and surrounding areas
Approved
In business since 2012
Free estimates
Warranties offered
"Hagerman Services has proven to be one of the most reliable and professional HVAC companies that I have done business with. My most recent service was air duct cleaning and I have noticed a tremendous difference in the reduction of dust that settles on my furniture as well as less issues with my allergies. I will continue to use Mike and Hagerman for all my HVAC needs."

Serving Des Allemands, LA and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"Very responsive and professional. Great work and would recommend."

Serving Des Allemands, LA and surrounding areas
Approved
In business since 2015
Free estimates
Customers say: Quick response
"He did a real good job, very thorough. I think he's awesome."

Serving Des Allemands, LA and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"This company is AMAZING…from speaking too the owner on several occasions…Mr. Hebert was very involved with my project & he was very concerned with my issues & getting them resolved & that’s exactly what they accomplished…:):):)…,the technician Andrew was AMAZING YOUNG MAN…very knowledgeable in his duties & went ABOVE & BEYOND to resolve my issues…this young man was sooo POLITE & RESPECTFULNESS…it was so nice too work with individuals like them…hard too find these days…:):):)…I give this company a 100 Star Rating 👌👌👌👌👌"





+5
Serving Des Allemands, LA and surrounding areas
Approved
In business since 2008
Free estimates
Credit card accepted
With many years of experience, D.M.S. Refrigeration & Heating works hard to for each and every customer for the best possible service and quality available. We look forward to working with you soon on your next project and thank you for your interest.

Serving Des Allemands, LA and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
I’m a certified HVAC technician who is reliable, hardworking, and ready to take on any task needed. Customer satisfaction and quality work are always my top priorities.

Serving Des Allemands, LA and surrounding areas
Approved
Emergency services offered
Warranties offered
Small jobs welcome
I have been around working on HVAC for a while now just moved into this area looking to get my name out there with decent prices and even better work I take pride and what I do also love to help people
Serving Des Allemands, LA and surrounding areas
Approved
I’m Highly skilled and versatile Maintenance Technician with specialized certifications in HVAC, Electrical, and Plumbing. I offer a multi-craft approach to building systems, combining expert-level HVAC diagnostics with a strong foundation in complex electrical troubleshooting and mechanical repairs. Proven ability to maintain peak operational efficiency for commercial and residential facilities while ensuring strict compliance with safety codes and industry standards.
Serving Des Allemands, LA and surrounding areas
Approved
Any of my services listed I will provide for you at a fair price with honest work. Don’t mind doing the dirty jobs.
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.
From average costs to expert advice, get all the answers you need to get your job done.

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