Protecting Perishable Inventory, Kitchen Ergonomics And Health Code Compliance
In high-volume food service, your climate and cooling infrastructure aren’t just building utilities—they are central to operational survival. A sudden spike in walk-in freezer temperatures can jeopardize tens of thousands of dollars in perishable ingredients within hours. An overworked makeup air unit turns a line kitchen into an unworkable furnace and pulls conditioned air straight out of your dining room, ruining customer comfort.
Precision Mechanical Solutions, Inc. (PMSI) delivers specialized commercial HVAC, process cooling and food service refrigeration solutions designed specifically for restaurants, commercial bakeries, institutional cafeterias and food distribution facilities across Fresno and the Central Valley. Operating with union-certified expertise, our technicians keep your critical systems operating efficiently, safely and without unexpected interruption.
High-Stakes Refrigeration & Cold Storage Protection
Food safety compliance and product loss prevention depend entirely on exact temperature maintenance. We install, repair and maintain the complete spectrum of commercial refrigeration equipment:

- Walk-In Coolers & Freezers — Evaporator coil maintenance, defrost control optimization, magnetic door seal and compressor replacement overhauls to maintain tight thermal boundaries.
- Line Refrigeration & Prep Tables — Rapid restaurant refrigeration repair for undercounter units, sandwich prep tables, chef bases and low-boy coolers that take a beating during peak service hours.
- Ice Machines & Specialty Cooling — Scale mitigation, sanitation washdowns, harvest cycle timing adjustments and line repairs for reliable ice yield and crisp product presentation.
- Environmental & Storage Monitoring — Calibrated sensors and building control integrations that alert facility operators before a minor temperature drift turns into total inventory loss.
Kitchen Ventilation & Make-Up Air Dynamics
Commercial kitchens move massive volumes of air every single minute. When heavy-duty exhaust hoods extract hot grease, smoke and moisture, balanced Make-Up Air (MUA) systems must supply clean, tempered replacement air to keep the facility in physical equilibrium.
When a make-up air unit is miscalibrated or failing, the building rapidly depressurizes. This negative air pressure causes exterior doors to slam shut, pulls hot unconditioned air directly into the dining space, strains your rooftop air conditioning units and forces kitchen line temperatures over 100 degrees.
PMSI fine-tunes the balance between exhaust systems, make-up air systems, and rooftop units (RTUs), lowering ambient kitchen temperatures, reducing dining room draft issues, preventing hood smoke spillage, and drastically reducing monthly utility overhead.
24/7 Emergency Line And Storage Repair
Refrigeration failures don’t wait for convenient business hours. When a walk-in freezer’s temperature rises at midnight, or a line cooler fails minutes before a major dinner rush, waiting for a delayed callback guarantees inventory loss and closed doors.
PMSI operates a direct, live 24/7 emergency dispatch line specifically to handle mission-critical outages. Our emergency technicians arrive on-site equipped with advanced digital diagnostic tools, leak detection equipment and high-demand replacement hardware to resolve critical line failures on the spot:
- Diagnosing failed compressor relays, shorted contactors, bad fan motors and defrost timer lockouts across all major equipment brands.
- Pinpointing micro-leaks in cooling lines, executing certified refrigerant recovery, pressure-testing systems with nitrogen and recharging equipment to exact factory specifications.
- Resolving tripped high-pressure switches, broken drive belts and failed ignition controls on rooftop AC and make-up air units.
Proactive Inventory Security Through Planned Maintenance
Emergency service calls interrupt operations and eat away at thin profit margins. The most reliable way to protect high-value inventory and prevent unexpected equipment downtime is through a structured, proactive care schedule. PMSI offers custom Planned Maintenance agreements tailored specifically to the high-wear realities of commercial kitchens.
Our Planned Maintenance agreements provide complete operational security through scheduled, comprehensive scheduled visits:
- Thorough Mechanical Servicing — Our union-certified technicians clean condenser and evaporator coils, clear condensate drain lines, inspect refrigerant levels, adjust fan belt tension, lubricate motor bearings, check electrical terminals and test all thermostatic safety controls.
- Full Labor and Component Coverage — PMSI Planned Maintenance agreements include total repair protection—covering all labor, travel and expenses required to repair or replace maintainable parts and major components that fail due to normal operational wear and tear over the customized contract term.
- Utility Overhead Reduction — Clean heat-exchange surfaces and properly calibrated refrigeration controls allow units to cycle efficiently, significantly lowering monthly electricity and gas expenses.
Kitchen Upgrades And Free Replacement Estimates
When kitchen cooling systems or walk-in boxes reach the end of their useful operating life, patching recurring failures becomes a constant drain on financial resources. PMSI manages complete, turnkey equipment replacements, line retrofits and new walk-in box installations designed around your kitchen layout and utility capacity.
We handle every step of your mechanical upgrade with absolute financial transparency:
- Free System Replacement Estimates — We provide free, detailed estimates on all equipment replacements, helping restaurant owners and operations directors evaluate energy savings, utility rebates, and payback timelines.
- Unmatched Warranty Protection — Every new equipment installation is backed by our standard 90-day parts and labor warranty, alongside a 1-year conditional labor warranty on new unit installations, in addition to any manufacturer warranty.
- Minimal Operational Disruption — We schedule heavy equipment rigging, roof curb modifications, crane lifts and system changeouts during off-peak or closed hours to ensure your business experiences zero lost seating time or service interruptions.
Secure Your Food Service Operations Today
Headquartered in Fresno, PMSI is proud to support the restaurants, food processors, bakeries and hospitality venues that feed our region. Our union-certified technicians deliver direct, transparent, and expert mechanical service throughout Fresno, Visalia, Tulare, Madera and the surrounding Central Valley counties.
Don’t let an unexpected equipment failure compromise your food quality, health code standing or bottom line. Contact our commercial specialists today to schedule a facility evaluation, request a free replacement estimate or lock in 24/7 emergency repair coverage for your business.
More Industries We Serve
Distribution Centers
Federal & State Government/ Municipal Facilities
Grocery & Retail
Medical/ Healthcare
Property Management/ Offices
Schools & Education

