Top HVAC Legacy System Modernization Companies

Discover Legacy System Modernization companies serving the HVAC industry. Compare services, pricing, and capabilities to find the right partner on Edverise.

How this list is built

We evaluate companies on verified profile data: services, pricing, locations, and portfolio. Client reviews are being collected. We may earn a fee for some placements. How we rank and verify

4,482 Companies

Top HVAC Legacy System Modernization Companies

Infinodo Technology
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Infinodo is a digital transformation engineering firm dedicated to providing innovative, scalable, and secure software solutions designed for contemporary business demands. We excel in comprehensive product development, which encompasses mobile apps, web platforms, backend systems, UI/UX design, qua
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+3 Services
15% Custom Web Application Development
13% Mobile App Development (iOS & Android)
10% API Development & Integration
7% E-Commerce Development
AI Summary
“Infinodo Technology specializes in scalable, secure digital transformation solutions, offering end-to-end product development and consulting across diverse industries to accelerate clients' innovation and growth.”
VisualSoft Global
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
VisualSoft Global - Your Premier Technology Solutions Partner VisualSoft Global (VS) is a top-tier provider of Custom Software Development, IoT Development, and a wide range of technology solutions, catering to both national and international clients in various industries. We excel at turning compl
Highlights
< $25/hr
Avg Hourly Rate
10-49
Employees
Services Provided+4 Services
9% QA & Software Testing
20% Custom Web Application Development
5% Legacy System Modernization
9% AI Strategy & Roadmap Consulting
AI Summary
“VisualSoft Global delivers custom software and IoT development through expert teams, enabling businesses worldwide to innovate, reduce costs, and enhance competitiveness with tailored technology solutions.”
Antya Digital LLP
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Antya Digital offers technology-driven digital marketing solutions, including SEO, AEO, AI search optimization, and ecommerce store optimization. We develop tailored strategies for each client, aligned with their specific digital requirements and objectives.
Highlights
$100-149/hr
Avg Hourly Rate
2-9
Employees
Mumbai, Maharashtra, In
Services Provided+6 Services
8% Custom Web Application Development
14% E-Commerce Development
3% Legacy System Modernization
8% CMS Development & Customization
AI Summary
“Antya Digital LLP specializes in technology-driven digital marketing solutions such as SEO, AEO, AI search optimization, and ecommerce enhancement, delivering tailored strategies aligned with client objectives.”
Join Solutions
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We specialize in digital engineering, assisting organizations in developing innovative products that prioritize user needs.
Highlights
$25,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+2 Services
27% Custom Web Application Development
7% Legacy System Modernization
33% IT Staff Augmentation
7% Market Research & Competitive Intelligence
AI Summary
“Join Solutions specializes in digital engineering, delivering innovative, user-centric product development services to help organizations enhance their technology solutions effectively.”
Addax
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
AddaxLab is a comprehensive web and mobile development firm that provides customized, scalable digital solutions for businesses of any size. With more than 15 years of expertise, we focus on complete implementations, customizations, and integrations of top platforms such as Salesforce, HubSpot, and
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Union City, New Jersey, Us
Services Provided+6 Services
10% Custom Web Application Development
8% Mobile App Development (iOS & Android)
5% CRM Consulting and SI
2% Legacy System Modernization
AI Summary
“Addax delivers tailored web and mobile development, CRM and ERP integrations, AI automation, and cloud infrastructure services, empowering scalable digital transformation and optimized business processes across industries.”
Hormaz Marketing and Brand Consultancy
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Hormaz Marketing and Brand Consultancy (HMBC) is a premier marketing and branding agency based in Mumbai, recognized for its effective solutions, innovative ideas, and client-focused strategy. Although the company was officially established in 2014, its founders bring more than twenty years of exper
Highlights
$1,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
10-49
Employees
Mumbai, Maharashtra, In
Services Provided+10 Services
16% Mobile App Development (iOS & Android)
4% Legacy System Modernization
8% Product UX Strategy
7% UX Research & Usability Testing
AI Summary
“Hormaz Marketing and Brand Consultancy delivers comprehensive marketing, branding, software development, and UI/UX services, leveraging extensive industry experience to create effective, client-focused digital solutions.”
AGILE DIGITAL TECHNOLOGIES (PVT) LTD
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Agile Digital Technologies provides extensive expertise and a thorough understanding of the industry to assist our clients in addressing the most intricate challenges faced by their Organization/Brand in the digital realm. We aim to elevate customer engagement to new heights. Our services include Cu
Highlights
$25,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Karachi, Sindh, Pk
Services Provided+8 Services
13% Custom Web Application Development
10% Mobile App Development (iOS & Android)
8% ERP & CRM Development
2% Legacy System Modernization
AI Summary
“Agile Digital Technologies specializes in custom software, mobile and web applications, ERP support, and digital marketing to enhance client engagement and solve complex digital challenges.”
i-ways sales solutions GmbH
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
i-ways is a digital technology partner that assists businesses in creating scalable software systems customized to their requirements. Our expertise includes custom software development, cloud architecture, and platform engineering, with a dedicated emphasis on digital transformation and scalability
Highlights
10-49
Employees
Services Provided+4 Services
7% Legacy System Modernization
14% API Development & Integration
5% E-Commerce Development
8% Custom Web Application Development
AI Summary
“i-ways sales solutions GmbH specializes in scalable, custom software development and cloud architecture, delivering modular, API-driven digital transformation solutions for diverse enterprises.”
Logiq systems HubPvt. Ltd.
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
LogiqSystems assists businesses in keeping up with fast-evolving technologies by creating adaptable, scalable software and digital platforms. We merge creativity, effective problem-solving, and dependable engineering to provide solutions that evolve alongside our clients' requirements.
Highlights
$25,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Nanakramguda, Andhra Pradesh, In
Services Provided+5 Services
13% Mobile App Development (iOS & Android)
10% API Development & Integration
3% Legacy System Modernization
25% Product UX Strategy
AI Summary
“LogiqSystems delivers adaptable, scalable software and digital solutions, combining creativity and reliable engineering to meet evolving business technology needs effectively.”
FIN Digital
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
FIN Digital is a digital development company dedicated to driving technological disruption. We specialize in creating various solutions, including artificial intelligence, mobile apps, bots, and IoT technologies. Our mission is to enhance existing technology, making it stronger, faster, and smarter.
Highlights
$25,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Washington, District Of Columbia, Us
Services Provided+8 Services
8% Custom Web Application Development
10% Mobile App Development (iOS & Android)
4% E-Commerce Development
2% Legacy System Modernization
AI Summary
“FIN Digital is a technology-driven company delivering AI, mobile apps, bots, and IoT solutions for startups to Fortune 500s, enhancing digital engagement through innovative, customized designs.”

...

...

...

Latest insights & expert perspectives

Explore data-backed surveys with inputs from top industry experts.

Stated minimum project sizes among the firms listed under software development services on Edverise, with the $50,000 band shaded

Vendor Selection

Questions to Ask a Software Development Agency: Six With Proof

A vetting script for second-round agency calls: six questions, the document each answer has to produce, and what a directory listing or a badge really proves.

Nihar Ranjan Rout

10/31/2026

Three software development quotes of $38,000, $94,000 and $210,000 converted to effective hourly rates of $79, $73 and $87.50

Vendor Selection

How to Compare Software Development Quotes Priced 5x Apart

Three bids for the same build are rarely comparable as written. A normalization checklist, a weighted grid adapted from FAR Part 15.3, and the hourly arithmetic.

Akash Mohapatra

10/31/2026

Chart of minimum project size stated by firms listed under AI agent development on Edverise, with the $50,000 band highlighted

Vendor Selection

AI Agent Development Cost: Build, Tokens, Reliability

An AI agent has three costs. Compute the monthly token bill from published list prices, then set the build quote against what listed firms actually charge.

Santanu Prasad Sahoo

10/31/2026

Check All Our Blogs

One Platform. One Promise. One Trust.

Edverise is building the trusted way to find tech vendors. List your company early, or talk to us about backing the platform.