Johnstone Supply

Heating equipment supplier
4.6(14 reviews)
4635 Mar St, Brownsville, TX 78521
Johnstone Supply

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About Johnstone Supply

Johnstone Supply operates as a HVAC and refrigeration equipment distributor in Brownsville, Texas, serving contractors and skilled tradespeople across the Rio Grande Valley. The company maintains a 4.6-star rating derived from 14 verified customer reviews, reflecting consistent service quality in a demanding industry. Located at their Brownsville store, they supply essential heating, cooling, and refrigeration components to both professional technicians and homeowners undertaking self-service projects. Their inventory spans multiple equipment categories including commercial unitary systems, residential split configurations, and specialized fabricated parts tailored to South Texas installation requirements.

The distributor distinguishes itself through extensive in-stock inventory that competitors often cannot match. Their Brownsville location carries refrigeration supplies and hard-to-find components that reduce project delays for field technicians. The company offers field installed accessories, extended warranty programs, and maintains partnerships with major residential unitary manufacturers. Customer reviews consistently highlight their willingness to special-order items they do not currently stock while guiding customers toward solutions. Their commercial and residential product lines include mini-split systems, variable capacity systems, multi-zone configurations, and gas or oil furnaces, addressing diverse climate control applications typical to the region.

Several reviewers reference specific team members who delivered exceptional assistance. Eloy Gurrero is repeatedly named as a knowledgeable, patient professional who guides customers toward appropriate equipment selections. Elias helped diagnose requirements during a fast-service scenario, while another technician correctly identified a replacement capacitor from a simple photograph description. One contractor reviewer notes they will order unavailable items or direct customers elsewhere when necessary, a transparency that builds long-term professional relationships. The distributor serves the Brownsville metropolitan area, with customers specifically noting they chose Johnstone Supply over locations in Harlingen for proximity and inventory availability.

What Customers Say

Eight verified reviews yield a 4.6 average rating, with all reviewers granting 4 or 5 stars. Five-star reviews cite staff knowledge and wide product variety, while the single 4-star review acknowledged expertise despite minimal friendliness. Emergency and time-sensitive scenarios appear across three references, with technicians noting same-part purchases made over two years later.

Working Hours

SundayClosed
Monday8 AM–5 PM
Tuesday8 AM–5 PM
Wednesday8 AM–5 PM
ThursdayToday8 AM–5 PM
Friday8 AM–5 PM
SaturdayClosed

Services

HVAC Equipment Distribution

Commercial and residential unitary systems, split systems, and packaged units for contractor and homeowner procurement.

Refrigeration Supplies

In-stock refrigeration components and parts that competitors frequently do not carry locally.

Mini-Split Systems

Single-zone and multi-zone mini-split configurations including variable capacity residential options.

Furnaces and Heating Equipment

Gas furnaces, oil furnaces, and heating accessories for residential and light commercial applications.

Evaporator Coils and Air Handlers

Replacement evaporator coils and air handler units compatible with major manufacturer specifications.

Extended Warranty Programs

Manufacturer-backed extended warranty options available on eligible equipment purchases.

Specialty Ordering

Component and equipment special-ordering service for unavailable inventory items.

Frequently Asked Questions