Questions and Answers
What are the most common plumbing emergencies you see in Florissant homes?
In Florissant, we frequently respond to calls for broken or seized shutoff valves and leaking toilet seals. These issues are common in our area's housing stock and can lead to significant water waste and potential water damage if not addressed promptly. Our technicians are skilled at safely replacing faulty valves and resealing toilets to create a watertight, reliable connection that lasts.
Do you offer maintenance plans for HVAC systems?
Yes, we provide HVAC system maintenance services designed to keep your heating and cooling running efficiently year-round. Regular maintenance can help prevent unexpected breakdowns, improve indoor air quality, and extend the life of your system. For Florissant homeowners, this is especially important given our seasonal temperature extremes.
Can you handle both the plumbing and HVAC work for a water heater replacement?
Absolutely. As a full-service provider, we manage all aspects of a water heater installation or replacement. This includes the safe disconnection and removal of the old unit, proper plumbing connections for water lines and pressure relief, and, if needed, any venting or gas line work. Our comprehensive approach ensures the job is done correctly and efficiently under one service call.
About the Company
Diligent Professional Services is a locally owned and operated HVAC and plumbing company serving Florissant and the greater St. Louis area. Founded in 2015 by a professional with over 15 years in property management, the company brings a property owner's perspective to every job, emphasizing durable, reliable repairs and installations. We specialize in a comprehensive range of services, from emergency plumbing repairs and HVAC system maintenance to water heater installation and drain cleaning. For Florissant homeowners dealing with common local issues like broken shutoff valves or persistent toilet seal leaks, our experienced technicians provide precise diagnostics and lasting solutions to protect your home from water damage and ensure system efficiency.
What the Company Handles
- Drain repair
- Water heater installation
- Shower repair
- HVAC system repair
- Toilet repair
- Water heater repair
- Faucet repair
- Plumbing installation or replacement
Business Location & Hours
| Mon: | 8:00 AM - 8:00 PM |
| Tue: | 8:00 AM - 8:00 PM |
| Wed: | 8:00 AM - 8:00 PM |
| Thu: | 8:00 AM - 8:00 PM |
| Fri: | 7:30 AM - 8:00 PM |
| Sat: | 7:30 AM - 8:00 PM |
| Sun: | Closed |

















